Packages tagged control

654 packages have this tag.

[Merge tag] (trustees only)

Related tags: library (649), bsd3 (465), mit (101), deprecated (61), monads (55), public-domain (32), data (30), program (29), concurrency (20), pipes (20), failure (16), monad (14), parallelism (13), comonads (12), gpl (12), error-handling (11), network (11), bsd2 (10), system (9), distributed-computing (8), effect (8), categories (6), frp (6), reactivity (6), cloud-haskell (5), enumerator (5), logic (5), apache (4), conversion (4), lgpl (4), monadic-regions (4), mpl (4), ai (3), composition (3), data-structures (3), development (3), prelude (3), streaming (3), template-haskell (3), text (3), combinators (2), constraints (2), cryptography (2), database (2), exceptions (2), generics (2), math (2), parsing (2), recursion (2), user-interfaces (2), algebra (1), applicative (1), category (1), concurrent (1), contract (1), dependency-injection (1), distribution (1), eden (1), ...

Name
DLs
Rating
Description
Tags
Last U/L
Maintainer
AAI70.0Abstract Application Interface. (control, library, mit)2015-08-03bash0r
AbortT-monadstf50.0Monads-tf instances for the AbortT monad transformer. (bsd3, control, library)2012-12-07GregoryCrosswhite
AbortT-mtl40.0mtl instances for the AbortT monad transformer (bsd3, control, library)2016-02-06GregoryCrosswhite
AbortT-transformers110.0A monad and monadic transformer providing "abort" functionality (bsd3, control, library)2016-02-06GregoryCrosswhite
Adaptive-Blaisorblade50.0Library for incremental computing. (bsd3, control, library, program)2013-01-26PaoloGiarrusso
CC-delcont90.0Delimited continuations and dynamically scoped variables (control, library)2016-05-11DanDoel
CC-delcont-alt100.0Three new monad transformers for multi-prompt delimited control (bsd3, control, library)2012-10-23KidoTakahiro
CC-delcont-cxe130.0A monad transformers for multi-prompt delimited control (bsd3, control, library)2011-10-12KidoTakahiro
CC-delcont-exc50.0A monad transformers for multi-prompt delimited control (bsd3, control, library)2011-10-12KidoTakahiro
CC-delcont-ref60.0A monad transformers for multi-prompt delimited control using refercence cells (bsd3, control, library)2011-10-12KidoTakahiro
CC-delcont-ref-tf50.0A monad transformers for multi-prompt delimited control using refercence cells (bsd3, control, library)2011-10-18KidoTakahiro
Cascade40.0Playing with reified categorical composition (control, library, public-domain)2014-11-14NoahEasterly
Catana100.0A monad for complex manipulation of a stream. (bsd3, control, library)2012-02-22DustinDeWeese
ChannelT240.0Generalized stream processors (bsd3, control, enumerator, iteratee, library, pipes, proxies)2018-01-28pthariensflame
ClassyPrelude50.0Prelude replacement using classes instead of concrete types where reasonable (bsd3, control, data, library)2010-05-31SveinOveAas
Clean (deprecated in favor of definitive-base)60.0A light, clean and powerful utility library (bsd3, control, deprecated, library)2013-06-10MarcCoiffier
ComonadSheet40.0A library for expressing spreadsheet-like computations as the fixed-points of comonads. (bsd3, control, library)2014-06-28kwf
Compactable (deprecated in favor of compactable)70.0A generalization for containers that can be stripped of Nothing (bsd3, control, deprecated, library)2017-03-06fresheyeball
Concurrential120.0Mix concurrent and sequential computation (bsd3, control, library)2015-09-04alexvieth
Configurable50.0Declare types as Configurable then specialize them all in one place (control, library, mit)2012-10-19JosephAbrahamson
ConstraintKinds160.0Repackages standard type classes with the ConstraintKinds extension (bsd3, control, library)2014-05-20MikeIzbicki
ContArrow100.0Control.Arrow.Transformer.Cont (bsd3, control, library)2009-09-21EvgenyJukov
Control-Engine (deprecated)290.0A parallel producer/consumer engine (thread pool) (bsd3, control, deprecated, library)2009-08-18ThomasDuBuisson
Control-Monad-MultiPass60.0A Library for Writing Multi-Pass Algorithms. (bsd3, control, library)2013-06-14KevinBackhouse
Control-Monad-ST270.0A variation on the ST monad with two type parameters. (bsd3, control, library)2013-06-11KevinBackhouse
Coroutine60.0Type-safe coroutines using lightweight session types. (bsd3, control, library)2008-12-18RyanIngram
DeepArrow150.0Arrows for "deep application" (bsd3, combinators, control, library)2013-08-13ConalElliott
EitherT (deprecated in favor of either)80.0EitherT monad transformer (bsd3, control, deprecated, library)2012-04-22EyalLotem
Empty50.0A type class for empty containers (bsd3, control, library)2017-03-02fresheyeball
Etage260.0A general data-flow framework (ai, control, lgpl, library)2014-05-10MitarMilutinovic
FailureT (deprecated in favor of transformers)70.0Failure Monad Transformer (control, deprecated, failure, library, public-domain)2013-03-14MatthewFarkasDyck
FastPush60.0A monad and monad transformer for pushing things onto a stack very fast. (bsd3, control, library)2017-02-26wyager
ForkableT100.0Forkable monad transformers (bsd3, control, library)2015-01-18AndrasSlemmer
Get40.0get stuff out of stuff (bsd3, control, library)2018-01-10MarisaVeryMoe
GotoT-transformers60.0A monad and monadic transformer providing "goto" functionality (bsd3, control, library)2012-07-22GregoryCrosswhite
IfElse480.0Anaphoric and miscellaneous useful control-flow (bsd3, control, library)2008-12-24IvanPerez, JeffersonHeard, keera_studios_ci
ImperativeHaskell262.0A library for writing Imperative style haskell. (control, development, embedded, gpl, language, library)2012-06-07MatthewMirman
InfixApplicative60.0liftA2 for infix operators. (bsd3, control, library)2009-12-24ThomasDavie
JuicyPixels-util110.0Convert JuicyPixel images into RGBA format, flip, trim and so on (bsd3, control, library)2014-10-18FumiakiKinoshita
Kleislify90.0Variants of Control.Arrow functions, specialised to kleislis. (bsd3, control, library)2012-05-15DylanJust
Kriens50.0Category for Continuation Passing Style (bsd3, control, library)2015-12-07matteo_provenzano
List610.0List monad transformer and class (bsd3, control, library)2017-09-27YairChuchem
ListT80.0List transformer (bsd3, control, library)2017-12-14MatthewFarkasDyck
LogicGrowsOnTrees110.0a parallel implementation of logic programming using distributed tree exploration (bsd3, control, distributed-computing, library, logic, parallelism)2014-03-09GregoryCrosswhite
LogicGrowsOnTrees-MPI70.0an adapter for LogicGrowsOnTrees that uses MPI (bsd3, control, distributed-computing, library, logic, parallelism)2014-03-09GregoryCrosswhite
LogicGrowsOnTrees-network110.0an adapter for LogicGrowsOnTrees that uses multiple processes running in a network (bsd3, control, distributed-computing, library, logic, parallelism)2016-04-05GregoryCrosswhite
LogicGrowsOnTrees-processes90.0an adapter for LogicGrowsOnTrees that uses multiple processes for parallelism (bsd3, control, distributed-computing, library, logic, parallelism)2014-03-09GregoryCrosswhite
MHask90.0The category of monads (bsd3, control, library)2013-08-06DanBurton
MaybeT90.0MaybeT monad transformer (bsd3, control, library)2008-12-21CaleGibbard, DonaldStewart, EricKidd
MaybeT-monads-tf (deprecated in favor of monads-tf)80.0MaybeT monad transformer compatible with monads-tf (deprecated) (bsd3, control, deprecated, library)2011-06-22BenMillwood
MaybeT-transformers60.0MaybeT monad transformer using transformers instead of mtl. (bsd3, control, library)2010-06-28ErikHesselink, SebastiaanVisser
Mecha60.0mecha are the most complex composite machines known to humanity, lets build them well! (bsd2, concurrency, control, data, library, network, system)2016-08-11CarterSchonwald
Mechs40.0mecha are the most complex composite machines known to humanity, lets build them well! (bsd2, concurrency, control, data, library, network, system)2016-08-11CarterSchonwald
MissingM70.0findM and other missing 'M's (bsd3, control, library)2012-11-15DylanJust
MonadCatchIO-mtl (deprecated in favor of exceptions)210.0Monad-transformer version of the Control.Exception module (bsd3, control, deprecated, library)2014-01-04DanielGorin
MonadCatchIO-mtl-foreign (deprecated)30.0Polymorphic combinators for working with foreign functions (bsd3, control, deprecated, library)2010-05-29AntoineLatter
MonadCatchIO-transformers (deprecated in favor of exceptions)370.0Monad-transformer compatible version of the Control.Exception module (bsd3, control, deprecated, library)2014-12-23AriePeterson
MonadCatchIO-transformers-foreign (deprecated)50.0Polymorphic combinators for working with foreign functions (bsd3, control, deprecated, library)2010-05-29AntoineLatter
MonadPrompt570.0MonadPrompt, implementation & examples (bsd3, control, library)2014-09-14CaleGibbard, JamesCook, RyanIngram
MonadRandom1470.0Random-number generation monad. (bsd3, control, library)2017-02-10BrentYorgey, CaleGibbard, EricKidd, LukePalmer, PaoloVeronelli, PatrickPalka
MonadRandomLazy110.0Lazy monad for psuedo random-number generation. (bsd3, control, library)2015-12-29NormanRamsey
MonadStack70.0Generalizing lift to monad stacks (bsd2, control, library)2015-07-13bhurt
Monatron110.0Monad transformer library with uniform liftings (bsd3, control, library)2010-05-12TomSchrijvers
Monatron-IO60.0MonadIO instances for the Monatron transformers. (bsd3, control, library)2012-04-26TobiasBrandt
Object60.0Object oriented programming for haskell using multiparameter typeclasses. (apache, control, data, library)2014-05-15yokto
PermuteEffects80.0Permutations of effectful computations (bsd3, control, library)2011-01-16MartijnVanSteenbergen
ProbabilityMonads40.0Probability distribution monads. (bsd3, control, library)2007-10-07EricKidd
ReplicateEffects100.0Composable replication schemes of applicative functors (bsd3, control, library)2012-12-27MartijnVanSteenbergen
RichConditional40.0Tiny library to replace classic if/else (control, library, mit)2015-02-16alexvieth
RoyalMonad90.0All hail the Royal Monad! (bsd3, control, library)2015-09-23AtzeVanDerPloeg
SciFlow220.0Scientific workflow management system (control, library, mit)2018-03-23kaizhang
THEff100.0TH implementation of effects. (bsd3, control, effect, library, th)2017-01-22kolodeznydiver
Tainted110.0Tainted type, and associated operations (bsd3, control, data, library, monads, trans)2015-05-27RossMeikleham
TreeT50.0Transformer for Data.Tree (control, library, monads, public-domain)2011-09-17RahulGopinath
TypeCompose690.0Type composition classes & instances (bsd3, composition, control, library)2016-05-31ConalElliott
Workflow870.0Workflow patterns over a monad for thread state logging & recovery (bsd3, control, library, workflow)2015-05-01AlbertoCorona
abstract-par760.0Type classes generalizing the functionality of the 'monad-par' library. (bsd3, control, library, monads, parallelism)2013-11-06RyanNewton
acme-iot70.0IO monad transformer (control, library, mit)2016-08-13mniip
action-permutations90.0Execute a set of actions (e.g. parsers) in each possible order (bsd3, control, library)2014-04-11RossPaterson
allocated-processor70.0Functional combinators for monadic actions that require allocation and de-allocation (bsd3, control, library)2010-05-23NoamLewis
alternative-extra40.0Extra utilities for alternatives (bsd3, control, library)2017-02-20marcosdumay
alternators130.0Handy functions when using transformers (bsd3, control, library)2017-12-24louispan
annihilator (deprecated in favor of boolean-like)60.0Semigroups with annihilators and utility functions (bsd3, control, deprecated, library)2016-04-05Shou
apecs440.0A fast ECS for game engine programming (bsd3, control, data, game, library)2018-03-20jonascarpay
applicative-extras120.0Instances for Applicative (bsd3, control, library)2011-01-03ChrisEidhof
applicative-fail90.0Applicative functor and monad which collects all your fails (bsd3, control, library)2015-08-03AlekseyUymanov
applicative-splice40.0Write applicative programs in direct style (generalizes idiom brackets). (control, library, public-domain)2016-04-17AkioTakano
arrow-extras70.0Extra functions for Control.Arrow (bsd3, control, library)2017-03-15louispan
arrow-improve30.0Improved arrows. (control, library, mit)2014-02-18alynn
arrow-list80.0List arrows for Haskell. (bsd3, control, library)2015-01-16AdamBergmark, ErikHesselink, SebastiaanVisser
arrowapply-utils60.0Utilities for working with ArrowApply instances more naturally (bsd3, control, library)2012-03-18AndrewMiller
arrows420.0Arrow classes and transformers (bsd3, control, library)2018-03-31RossPaterson
artery30.0A simple, arrow-based reactive programming (bsd3, control, frp, library)2014-09-09FumiakiKinoshita
assert50.0Helpers for Control.Exception.assert (bsd3, control, library)2013-11-18LiyangHu
assert-failure162.0Syntactic sugar improving 'assert' and 'error' (bsd3, contract, control, library)2017-09-15MikolajKonarski
async-refresh120.0Package implementing core logic for refreshing of expiring data. (bsd3, control, library)2018-03-20mtesseract
async-refresh-tokens100.0Package implementing core logic for refreshing of expiring access tokens (bsd3, control, library)2018-03-21mtesseract
asynchronous-exceptions (deprecated)50.0Distinguish between synchronous and asynchronous exceptions (control, deprecated, library, mit)2014-02-05RomanCheplyaka
atl90.0Arrow Transformer Library (bsd3, control, library)2016-09-28MatthewFarkasDyck
attoparsec-trans50.0Interleaved effects for attoparsec parsers (control, library, mit)2015-06-16srijs
auto212.25Denotative, locally stateful programming DSL & platform (control, library, mit)2017-01-14jle
auto-update1140.0Efficiently run periodic, on-demand actions (control, library, mit)2016-05-09KazuYamamoto, MichaelSnoyman
backtracking-exceptions30.0A monad transformer for backtracking exceptions (bsd3, control, library)2014-08-22tapuu
backward-state20.0A state monad that runs the state in reverse through the computation (bsd3, control, library, monads)2013-01-14LukePalmer
barrier-monad30.0Implementation of barrier monad, can use custom front/back type (control, library, public-domain)2011-12-01AaronBlack
basic-prelude652.0An enhanced core prelude; a common foundation for alternate preludes. (control, library, mit, prelude)2017-12-05DanBurton, MichaelSnoyman
billeksah-main30.0Leksah plugin base (control, program)2011-11-29JuergenNicklischFranken
billeksah-main-static20.0Leksah plugin base (control, program)2011-11-29JuergenNicklischFranken
billeksah-services20.0Leksah library (control, library)2011-11-29JuergenNicklischFranken
boolean-like80.0Logical combinatory operations dealing with datatypes representing booleans by their constructors. (bsd3, control, library)2016-09-22Shou
break40.0Break from a loop (bsd3, control, library)2017-04-07GabrielGonzalez
bytestring-progress180.0A library for tracking the consumption of a lazy ByteString (bsd3, control, library)2018-03-08AdamWick
bytestring-rematch20.0Rematch support for ByteString (control, library, mit)2013-05-19TomCrayford
capataz80.0OTP-like supervision trees in Haskell (concurrency, control, library, mit)2018-02-07RomanGonzalez
catch-fd50.0MonadThrow and MonadCatch, using functional dependencies (bsd3, control, library)2012-10-12AndySonnenburg
categories240.0Categories (bsd3, control, library)2015-01-06EdwardKmett
category100.0Categorical types and classes (bsd3, control, library, math)2018-01-05MatthewFarkasDyck
category-extras110.0A meta-package documenting various packages inspired by category theory (bsd3, comonads, control, library, monads)2012-04-06DanDoel, DanielWagner, EdwardKmett, RussellOConnor
cflp380.0Constraint Functional-Logic Programming in Haskell (bsd3, control, library)2009-06-04SebastianFischer
chr-core30.0Constraint Handling Rules (bsd3, control, library)2018-01-07AtzeDijkstra
classy-parallel20.0Fork of the monad-parallel package using monad-control (control, gpl, library)2012-07-31SamAnklesaria
classy-prelude780.0A typeclass-based Prelude. (control, library, mit, prelude)2018-02-02GregWeber, MichaelSnoyman
classy-prelude-conduit560.0classy-prelude together with conduit functions (control, library, mit, prelude)2018-02-02GregWeber, MichaelSnoyman
classy-prelude-yesod330.0Provide a classy prelude including common Yesod functionality. (control, library, mit, yesod)2018-02-02GregWeber, MichaelSnoyman
cloud-haskell30.0The Cloud Haskell Application Platform (bsd3, control, library)2016-07-30FacundoDominguez, TimWatson
codecov-haskell100.0Codecov.io support for Haskell. (bsd3, control, library, program)2017-06-17killy971
comonad2522.5Comonads (bsd3, comonads, control, library)2018-02-06EdwardKmett, EricMertens, ryanglscott
comonad-extras130.0Exotic comonad transformers (bsd3, comonads, control, library)2013-11-25EdwardKmett
comonad-random (deprecated)50.0Comonadic interface for random values (control, deprecated, library)2009-07-21JakeMcArthur
comonad-transformers (deprecated in favor of comonad)540.0This package has been merged into comonad 4.0 (bsd3, comonads, control, deprecated, library)2013-10-13EdwardKmett
comonads-fd (deprecated in favor of comonad)320.0This package has been merged into comonad 4.0 (bsd3, comonads, control, deprecated, library)2013-10-13EdwardKmett
compactable62.25A typeclass for structures which can be catMaybed, filtered, and partitioned. (bsd3, control, library)2018-03-22fresheyeball
composition-prelude740.0Higher-order function combinators (bsd3, control, data, library)2018-04-23vmchale
computations40.0Advanced notions of computation (bsd3, control, library)2015-05-03WolfgangJeltsch
concatenative200.0A library for postfix control flow. (bsd3, control, library)2010-07-02SamAnklesaria
concurrent-machines120.0Concurrent networked stream transducers (bsd3, concurrency, control, library)2018-03-14AnthonyCowley
concurrent-state150.0MTL-like library using TVars (control, library, mit)2014-01-27JoelTaylor
cond370.0Basic conditional and boolean operators with monadic variants. (bsd3, control, library, logic, monad)2014-11-23AdamCurtis
conkin60.0Tools for functors from Hask^k to Hask (control, library, public-domain)2017-10-26NoahEasterly
constrained-categories90.0Constrained clones of the category-theory type classes, using ConstraintKinds. (control, gpl, library)2018-02-20leftaroundabout
constrained-monads70.0Typeclasses and instances for monads with constraints. (control, library, mit)2017-03-31oisdk
constrained-normal40.0Normalised Deep Embeddings for Constrained Type-Class Instances (bsd3, control, library)2014-06-09NeilSculthorpe
constraint-manip60.0Some conviencience type functions for manipulating constraints. (control, library, mit)2017-10-16clinton
constrictor240.0strict versions of many things in base (control, library, mit)2018-04-17chessai
continue50.0Monads with suspension and arbitrary-spot reentry (bsd3, control, library)2013-04-21ErtugrulSoeylemez, esz
contravariant1712.0Contravariant functors (bsd3, control, data, library)2018-01-18EdwardKmett, EricMertens, ryanglscott
contravariant-extras430.0Extras for the "contravariant" package (control, library, mit)2018-02-28NikitaVolkov
control-bool110.0Useful combinators for boolean expressions (bsd3, control, library)2013-12-08FumiakiKinoshita
control-dotdotdot80.0Haskell operator `g ... f = \x1 .. xn -> g (f x1 .. xn)`. (bsd3, control, library)2018-01-21erisco
control-event130.0Event scheduling system. (bsd3, control, library)2014-02-25ThomasDuBuisson
control-invariants20.0Invariants and contract monitoring (control, library, mit)2016-10-28aminb, SimonHudon
control-iso50.0A typeclass for type isomorphisms (bsd3, control, library)2018-02-20fresheyeball
control-monad-exception250.0Explicitly typed, checked exceptions with stack traces (control, failure, library, mit, monads)2015-03-12PepeIborra
control-monad-exception-monadsfd90.0Monads-fd instances for the EMT exceptions monad transformer (control, failure, library, monads, public-domain)2012-05-28PepeIborra
control-monad-exception-monadstf90.0Monads-tf instances for the EMT exceptions monad transformer (control, failure, library, monads, public-domain)2012-05-28PepeIborra
control-monad-exception-mtl70.0MTL instances for the EMT exceptions monad transformer (control, failure, library, monads, public-domain)2012-05-28PepeIborra
control-monad-failure (deprecated)90.0A class for monads which can fail with an error. (deprecated) (control, deprecated, failure, library, monads, public-domain)2012-01-18MichaelSnoyman, PepeIborra
control-monad-failure-mtl (deprecated)20.0A class for monads which can fail with an error for mtl 1 (deprecated) (control, deprecated, failure, library, monads, public-domain)2011-11-30MichaelSnoyman, PepeIborra
control-monad-free280.0Free monads and monad transformers (control, library, monads, public-domain)2015-01-22LukePalmer, PepeIborra
control-monad-loop90.0Simple monad transformer for imperative-style loops (bsd3, control, library)2012-07-08JoeyAdams
control-monad-omega200.0A breadth-first list monad. (control, library, public-domain)2014-01-09LukePalmer
control-monad-queue70.0Reusable corecursive queues, via continuations. (bsd3, control, library)2015-12-19LeonSmith
control-timeout (deprecated)40.0Timeout handling (bsd3, control, deprecated, library)2008-02-01AdamLangley
contstuff (deprecated)120.0Fast, easy to use CPS-based monad transformers (bsd3, control, deprecated, library, monads)2011-05-19ErtugrulSoeylemez, esz
contstuff-monads-tf (deprecated)30.0ContStuff instances for monads-tf transformers (deprecated) (bsd3, control, deprecated, library, monads)2010-11-24ErtugrulSoeylemez, esz
contstuff-transformers (deprecated)50.0Deprecated interface between contstuff 0.7.0 and the transformers package (bsd3, control, deprecated, library, monads)2010-12-27ErtugrulSoeylemez, esz
conversion100.0Universal converter between values of different types (control, conversion, data, library, mit)2016-04-12NikitaVolkov
conversion-bytestring60.0"Conversion" instances for the "bytestring" library (control, conversion, data, library, mit)2016-04-12NikitaVolkov
conversion-case-insensitive60.0"Conversion" instances for the "case-insensitive" library (control, conversion, data, library, mit)2015-04-23NikitaVolkov
conversion-text70.0"Conversion" instances for the "text" library (control, conversion, data, library, mit)2016-04-12NikitaVolkov
coroutine-object80.0Object-oriented programming realization using coroutine (bsd3, control, library)2016-02-05IanWooKim
coverage30.0Exhaustivity Checking Library (control, library, mit)2016-02-17NicolasDelPiano
cr40.0Code review tool (control, gpl, network, program, system)2012-12-03AlexandruScvortov
csp122.0Discrete constraint satisfaction problem (CSP) solver. (ai, constraints, control, failure, library, monads)2018-03-14AndreiBarbu
custom-prelude40.0An enhanced prelude, serving as a foundation for my projects (control, library)2012-10-02AnupamJain
daemons140.0Daemons in Haskell made fun and easy (control, gpl, library, network, program, system)2013-10-03AlexandruScvortov
data-fresh70.0Interface and functor transformers for fresh values (bsd3, control, library)2013-09-08StijnVanDrongelen
data-lens310.0Used to be Haskell 98 Lenses (bsd3, comonads, control, library)2018-01-01EdwardKmett, RussellOConnor
data-lens-fd50.0Lenses (bsd3, comonads, control, library)2016-07-17EdwardKmett, RussellOConnor
data-lens-ixset (deprecated in favor of data-store, tables, lens)20.0A Lens for IxSet (bsd3, comonads, control, data-structures, deprecated, library)2012-01-15DagOdenhall
decepticons20.0The categorical dual of transformers. (bsd3, control, library)2013-05-07JoeQuinn
deepcontrol140.0A library that provides deep-level programming style and(or) notation on Applicative and Monad (bsd3, control, library)2015-12-20KONISHI_Yohsuke
deepseq1012.0Deep evaluation of data structures (bsd3, control, library)2017-07-19AustinSeipp, DonaldStewart, HerbertValerioRiedel, IanLynagh, SimonMarlow
deepseq-bounded140.0Bounded deepseq, including support for generic deriving (bsd3, control, library)2015-02-04AndrewSeniuk
deepseq-generics880.0GHC.Generics-based Control.DeepSeq.rnf implementation (bsd3, control, library)2016-01-03HerbertValerioRiedel
deepseq-magic40.0Deep evaluation of data structures without NFData (control, library, public-domain)2015-01-20EdwardYang
deepseq-th (deprecated in favor of deepseq-generics)60.0Template Haskell based deriver for optimised NFData instances (bsd3, control, deprecated, library)2012-10-13HerbertValerioRiedel
demarcate (deprecated in favor of free)60.0Demarcating transformed monad. (bsd3, control, deprecated, library)2013-09-23NickolayKudasov
despair70.0Despair (bsd3, control, library)2015-12-01Heather
disposable130.0Allows storing different resource-releasing actions together. (bsd3, control, library)2017-04-05louispan
distributed-closure212.0Serializable closures for distributed programming. (bsd3, control, library)2018-02-06AlexanderVershilov, AlpMestanogullari, FacundoDominguez, MathieuBoespflug
distributed-process392.5Cloud Haskell: Erlang-style concurrency in Haskell (bsd3, control, library)2017-09-01AlexanderVershilov, EdskoDeVries, FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-async90.0Cloud Haskell Async API (bsd3, control, library)2017-11-25AlexanderVershilov, FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-azure30.0Microsoft Azure backend for Cloud Haskell (bsd3, control, library)2012-11-05EdskoDeVries, FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-client-server140.0The Cloud Haskell Application Platform (bsd3, control, library)2017-03-28AlexanderVershilov, FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-execution40.0Execution Framework for The Cloud Haskell Application Platform (bsd3, control, library)2016-02-18AlexanderVershilov, FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-extras130.0Cloud Haskell Extras (bsd3, control, library)2017-03-29AlexanderVershilov, FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-fsm30.0The Cloud Haskell implementation of Erlang/OTP gen_statem (bsd3, control, library)2017-03-26TimWatson
distributed-process-lifted100.0monad-control style typeclass and transformer instances for Process monad. (bsd3, cloud-haskell, control, library)2018-02-25jeremyjh
distributed-process-monad-control90.0Orphan instances for MonadBase and MonadBaseControl. (bsd3, control, library)2017-09-07jeremyjh
distributed-process-platform (deprecated in favor of distributed-process-extras, distributed-process-async, distributed-process-client-server, distributed-process-registry, distributed-process-supervisor, distributed-process-task, distributed-process-execution)20.0The Cloud Haskell Application Platform (bsd3, control, deprecated, library)2014-06-13AlexanderVershilov, FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-registry30.0Cloud Haskell Extended Process Registry (bsd3, control, library)2016-02-18AlexanderVershilov, FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-simplelocalnet221.5Simple zero-configuration backend for Cloud Haskell (bsd3, control, library)2017-08-22AlexanderVershilov, EdskoDeVries, FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-supervisor60.0Supervisors for The Cloud Haskell Application Platform (bsd3, control, library)2016-02-18AlexanderVershilov, FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-systest30.0Cloud Haskell Test Support (bsd3, cloud-haskell, control, library)2017-02-05TimWatson
distributed-process-task50.0Task Framework for The Cloud Haskell Application Platform (bsd3, cloud-haskell, control, library)2016-02-18AlexanderVershilov, FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-tests160.0Tests and test support tools for distributed-process. (bsd3, cloud-haskell, control, library)2017-10-05AlexanderVershilov, FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-zookeeper40.0A Zookeeper back-end for Cloud Haskell. (bsd3, cloud-haskell, control, library)2017-09-09jeremyjh
distributed-static280.0Compositional, type-safe, polymorphic static values and closures (bsd3, control, library)2017-08-28EdskoDeVries, FacundoDominguez, MathieuBoespflug, TimWatson
drinkery110.0Boozy streaming library (bsd3, control, library)2018-03-26FumiakiKinoshita
edenmodules50.0Semi-explicit parallel programming library (bsd3, control, distributed-computing, eden, library, parallelism)2014-04-06MischaDieterle, JostBerthold, horstmeyer
effect-handlers130.0A library for writing extensible algebraic effects and handlers. Similar to extensible-effects but with deep handlers. (control, library, mit)2016-04-28edofic, blambda
effect-monad102.0Embeds effect systems and program logics into Haskell using graded monads and parameterised monads (bsd3, control, library, monads)2018-01-24DominicOrchard
effects80.0Computational Effects (bsd3, control, library, monads)2017-01-29SjoerdVisscher
effects-parser30.0Parser Effect for the Control.Effects Library (bsd3, control, library, monads)2013-09-15JesseMcDonald
effin90.0A Typeable-free implementation of extensible effects (bsd3, control, effect, library)2017-08-03AnthonyVandikas
either2062.0Combinators for working with sums (bsd3, control, library, monads)2017-11-21EdwardKmett, ryanglscott, GeorgeWilson
elevator90.0Immediately lifts to a desired level (bsd3, control, library)2015-04-01FumiakiKinoshita
elision80.0Arrows with holes. (bsd2, control, library, program)2016-02-18jacrough
enclosed-exceptions822.0Catching all exceptions from within an enclosed computation (control, library, mit)2016-06-22MichaelSnoyman, jcristovao
error-context80.0Provides API for enriching errors with contexts (bsd3, control, error-handling, library)2018-04-10mtesseract
error-continuations40.0Error Continuations (control, library, public-domain)2015-01-05echatav
error-list30.0A useful type for collecting error messages. (control, library, mit)2015-06-18thinkpad20
errorcall-eq-instance (deprecated in favor of base-orphans)120.0An orphan Eq instance for ErrorCall (control, deprecated, library, mit)2015-04-22SimonHengel
errors1292.25Simplified error-handling (bsd3, control, error-handling, library)2018-03-12GabrielGonzalez
errors-ext180.0`bracket`-like functions for `ExceptT` over `IO` monad. (control, error-handling, library)2017-12-07warlock
eternal120.0everything breaking the Fairbairn threshold (bsd3, control, library)2016-07-24Heather
ether152.25Monad transformers and classes (bsd3, control, library)2017-06-03int_index
event-driven60.0library for event driven programming (bsd3, control, library)2010-07-16YoshikuniJujo
event-handlers40.0Event handlers (control, data, library, public-domain)2008-12-15JamesCook
event-monad50.0Event-graph simulation monad transformer (control, library, public-domain)2010-01-11JamesCook
event-transformer (deprecated)70.0Initial project template from stack (bsd3, control, deprecated, library, program)2016-10-10SchellScivally
exception-monads-fd (deprecated in favor of exception-mtl)30.0Exception monad transformer instances for monads-fd classes. (bsd3, control, deprecated, error-handling, failure, library, monad)2010-10-06GeoffreyMainland
exception-monads-tf60.0Exception monad transformer instances for monads-tf classes. (bsd3, control, error-handling, failure, library, monad)2017-05-03GeoffreyMainland
exception-mtl200.0Exception monad transformer instances for mtl classes. (bsd3, control, error-handling, failure, library, monad)2016-05-10GeoffreyMainland
exception-transformers500.0Type classes and monads for unchecked extensible exceptions. (bsd3, control, error-handling, failure, library, monad)2018-03-30GeoffreyMainland
exceptional150.0Essentially the Maybe type with error messages. (bsd2, control, library)2015-07-22pharpend
exceptions2262.0Extensible optionally-pure exceptions (bsd3, control, exceptions, library, monad)2018-03-11EdwardKmett, ryanglscott
exhaustive130.0Compile time checks that a computation considers producing data through all possible constructors (bsd3, control, library)2017-07-24OliverCharles
exitcode40.0Monad transformer for exit codes (bsd3, control, library)2017-08-07qfpl
explicit-exception400.0Exceptions which are explicit in the type signature. (bsd3, control, library)2018-02-16HenningThielemann
explicit-sharing160.0Explicit Sharing of Monadic Effects (control, library, monads, public-domain)2011-06-30SebastianFischer
extensible-effects1332.25An Alternative to Monad Transformers (control, effect, library, mit)2018-04-20BenFoppa, RomanCheplyaka, shergill
extensible-exceptions890.0Extensible exceptions (bsd3, control, library)2012-02-02IanLynagh
failure (deprecated in favor of exceptions)180.0A simple type class for success/failure computations. (deprecated) (bsd3, control, deprecated, failure, library, monads)2014-06-08MichaelSnoyman, Michael_Smith
feature-flags70.0A simple library for dynamically enabling and disabling functionality. (control, library, mit)2015-04-02IanDuncan
fold-debounce170.0Fold multiple events that happen in a given period of time. (bsd3, control, library)2018-03-14debugito
foldl1652.5Composable, streaming, and efficient left folds (bsd3, control, library)2018-04-19GabrielGonzalez
foldl-incremental52.0incremental folds (control, library, mit, statistics)2015-02-23tonyday
foldl-transduce222.0Transducers for foldl folds. (bsd3, control, library)2016-02-16DanielDiazCarrete
foldl-transduce-attoparsec20.0Attoparsec and foldl-transduce integration. (bsd3, control, library)2016-02-12DanielDiazCarrete
for-free40.0Functor, Monad, MonadPlus, etc for free (control, library, public-domain)2012-07-09AaronBlack
forbidden-fruit30.0A library accelerates imperative style programming. (bsd3, control, library)2015-02-24minpou
forest70.0Tree and Forest types (control, library, mpl)2017-09-04ShaneOBrien
free2902.5Monads for free (bsd3, control, library, monads)2018-04-25EdwardKmett, EricMertens, JohnWiegley, ryanglscott
free-er60.0An extensible effects library (bsd3, control, effect, library, program)2017-10-10OmerAgacan
free-operational20.0Operational Applicative, Alternative, Monad and MonadPlus from free types. (bsd3, control, library)2013-08-08LuisCasillas
free-vl90.0van Laarhoven encoded Free Monad with Extensible Effects (bsd3, control, library, monads, program)2016-02-10aaronlevin
freer142.25Implementation of the Freer Monad (bsd3, control, library, program)2016-11-25alleledev
freer-effects62.0Implementation of effect system for Haskell. (bsd3, control, library, program)2017-04-16MatejKollar, PeterTrsko, TomasJanousek
freer-simple90.0Implementation of a friendly effect system for Haskell. (bsd3, control, library, program)2018-02-20lexi_lambda
from-sum92.0Canonical fromMaybeM and fromEitherM functions. (bsd3, control, library)2016-11-17cdepillabout
frpnow82.5Principled practical FRP (bsd3, control, library)2015-08-25AtzeVanDerPloeg
frpnow-gloss50.0Program awesome stuff with Gloss and frpnow! (bsd3, control, library)2015-07-14AtzeVanDerPloeg
frpnow-gtk30.0Program GUIs with GTK and frpnow! (bsd3, control, library)2015-07-14AtzeVanDerPloeg
frpnow-vty60.0Program terminal applications with vty and frpnow! (control, gpl, library, program)2018-03-19JaroReinders
fsharp (deprecated)70.0some F# operators, high priority pipes (bsd3, control, deprecated, library)2014-02-18Heather
full-sessions50.0a monad for protocol-typed network programming (bsd3, control, library, network)2012-01-23KeigoImai
function-combine30.0Combining functions (bsd3, control, library)2011-09-23IainAlexander
functor50.0Functors (bsd3, control, library, math)2017-11-16MatthewFarkasDyck
functor-apply (deprecated in favor of semigroupoids)200.0This package has been subsumed by semigroupoids (bsd3, control, deprecated, library)2011-01-30EdwardKmett
functors40.0(.:) and friends, syntax for Functor and Applicative. (bsd3, control, library)2010-11-28AristidBreitkreuz
future-resource50.0realtime resource handling with manual concurrency (control, lgpl, library)2015-04-22capsjac
gang-of-threads130.0Non-deterministic parallelism with bags (bsd3, control, library, parallelism)2014-07-22bholst
garlic-bread60.0A monad transformer for keeping track of where you've come from. (bsd3, control, library)2018-03-17parsonsmatt
general-prelude (deprecated)70.0Prelude replacement using generalized type classes where possible (bsd3, control, data, deprecated, library)2012-12-18JohnWiegley
generator70.0Python-generators notation for creation of monadic lists (bsd3, control, library)2015-05-28YairChuchem
generators (deprecated)30.0Actually useful monadic random value generators. (bsd3, control, deprecated, library)2010-06-25LiamOConnorDavis
generic-deepseq40.0Generic deep evaluation of data structures (bsd3, control, generics, library)2012-02-28MaximeHenrion
ghc-call-stack-extras110.0Extra utilities for HasCallStack (bsd3, control, library)2018-03-14dfeuer
gooey40.0Graphical user interfaces that are renderable, change over time and eventually produce a value. (control, library, mit)2015-10-06SchellScivally
graphted70.0Graph indexed monads. (bsd3, comonads, control, library, monads)2017-05-09AaronFriel
groupoids (deprecated in favor of semigroupoids)162.0This package has been absorbed into semigroupoids 4.0 (bsd3, categories, control, deprecated, library)2013-10-13EdwardKmett
hasim80.0Process-Based Discrete Event Simulation library (bsd3, control, library)2008-12-29JochemBerndsen
hask20.0Categories (bsd3, control, library)2014-11-10EdwardKmett
haskell-cnc60.0Library for parallel programming in the Intel Concurrent Collections paradigm. (bsd3, control, library, parallelism, program)2011-08-12RyanNewton
hcron40.0A simple job scheduler, which just runs some IO action at a given time. (bsd3, control, library, scheduling)2012-08-23TimoHuebel
hdph30.0Haskell distributed parallel Haskell (bsd3, control, distributed-computing, library, monads, parallelism, program)2013-02-07PatrickMaier
hdph-closure40.0Explicit closures in Haskell distributed parallel Haskell (bsd3, control, distributed-computing, library)2013-02-07PatrickMaier
hmk140.0A make alternative based on Plan9's mk. (control, development, distribution, library, program)2016-01-11MathieuBoespflug
hoist-error240.0Some convenience facilities for hoisting errors into a monad (control, library, mit)2014-11-17JonSterling, schalmers
hpc480.0Code Coverage Library for Haskell (bsd3, control, library)2016-05-04AustinSeipp, HerbertValerioRiedel, IanLynagh
hpc-coveralls410.0Coveralls.io support for Haskell. (bsd3, control, library, program)2017-05-13killy971
hreader130.0Generalization of MonadReader and ReaderT using hset (bsd3, control, library)2016-12-12AlekseyUymanov
hs-di42.0Dependency Injection library for Haskell (bsd3, control, dependency-injection, development, library, program, template-haskell, testing)2016-09-26Wizek
hspec-monad-control30.0Orphan instances of MonadBase and MonadBaseControl for SpecM (bsd3, control, library)2015-05-21bmjames
hyperfunctions30.0Hyperfunctions (bsd3, categories, control, library)2015-06-21EdwardKmett
if80.0(?) and (?>) conditional operator (bsd3, control, library)2016-11-17winterland
ifcxt42.25put if statements within type constraints (bsd3, control, library)2016-08-03MikeIzbicki
implicit-logging50.0A logging framework built around implicit parameters. (control, lgpl, library)2016-09-11rev_null
index-core80.0Indexed Types (bsd3, control, indexed, library)2016-06-12GabrielGonzalez
indexed90.0Haskell98 indexed functors, monads, comonads (bsd3, control, library)2016-09-17ReinerPope
indexed-extras50.0Indexed functors, monads and comonads that require extensions to Haskell98 (bsd3, control, library)2016-07-08ReinerPope
indexed-free50.0indexed monads for free (bsd3, control, library, monad)2013-11-27FumiakiKinoshita
indextype80.0A series of type families and constraints for "indexable" types. (bsd3, control, library)2017-10-19clinton
inject-function70.0Monadic functions with injected parameters. (control, gpl, library)2013-09-13DimitriSabadie
instance-control160.0Controls how the compiler searches for instances using type families. (bsd3, control, library)2017-09-27lazac
interchangeable (deprecated)70.0A type class for interchangeable data. (control, deprecated, library, mit)2015-01-18arowM
interleave60.0Combinators for supporting interleaving of different behaviours (bsd3, control, library)2011-01-07NeilBrown
interruptible90.0Monad transformers that can be run and resumed later, conserving their context. (bsd3, control, library)2016-06-08marcosdumay
interspersed90.0An abstraction over interspersing monadic actions (control, library, mit)2016-06-02NikitaVolkov
invariant280.0Haskell98 invariant functors (bsd2, control, data, library)2017-12-07NicolasFrisby, ryanglscott
invertible320.0bidirectional arrows, bijective functions, and invariant functors (bsd3, composition, control, data, library)2018-04-15DylanSimon
invertible-hlist30.0invertible functions and instances for HList (bsd3, composition, control, data, library)2017-03-07DylanSimon
io-choice220.0Choice for IO and lifted IO (bsd3, control, library)2016-04-12KazuYamamoto
io-reactive70.0An API for generating TIMBER style reactive objects. (bsd3, control, library, program, reactivity)2008-09-23AndyGill
io-region90.0Exception safe resource management with dynamic regions (bsd3, control, library)2015-04-24YurasShumovich
iotransaction60.0Supports the automatic undoing of IO operations when an exception is thrown. (control, library, mit)2013-05-04DylanShearer
ixmonad (deprecated in favor of effect-monad, type-level-sets)40.0Embeds effect systems into Haskell using parameteric effect monads (bsd3, control, deprecated, library, monads)2014-05-15DominicOrchard
json-tracer50.0A polymorphic, type-safe, json-structured tracing library (bsd3, control, library)2017-07-21autotaker
lambda-devs60.0a Paralell-DEVS implementaion based on distributed-process (bsd3, control, library, program, simulation)2013-11-24alios
lawless-concurrent-machines80.0Concurrent networked stream transducers (bsd3, concurrency, control, library)2017-10-02misandrist
lax70.0Lax arrows (bsd3, control, library)2012-02-07WolfgangJeltsch
layers20.0Modular type class machinery for monad transformer stacks. (bsd3, control, library)2013-03-14ShaneOBrien
lazyio140.0Run IO actions lazily while respecting their order (bsd3, control, library, monads)2016-12-14HenningThielemann
lens-tutorial112.5Tutorial for the lens library (bsd3, control, library)2017-07-31GabrielGonzalez
lensref60.0References which can be joined and on which lenses can be applied (bsd3, control, data, library)2014-05-18PeterDivianszky
level-monad210.0Non-Determinism Monad for Level-Wise Search (control, library, monads, public-domain)2009-06-22SebastianFischer
lifted-base2170.0lifted IO operations from the base library (bsd3, control, library)2018-03-14BasVanDijk
list-t492.0ListT done right (control, data-structures, library, mit, streaming)2018-03-19NikitaVolkov
list-transformer242.0List monad transformer (bsd3, control, library)2018-03-30GabrielGonzalez
local-search110.0Generalised local search within Haskell, for applications in combinatorial optimisation. (control, library, local-search, optimisation)2013-07-18RichardSenington
log-effect100.0An extensible log effect using extensible-effects (control, effect, library, logging, mit)2014-06-06ibotty
logicst70.0Backtracking mutable references in the ST and IO monads (bsd3, control, library)2013-04-17AndySonnenburg
logict850.0A backtracking logic-programming monad. (bsd3, control, library)2014-02-09DanDoel
loop450.0Fast loops (for when GHC can't optimize forM_) (control, library, mit)2015-09-03NiklasHambuechen
loop-effin40.0control-monad-loop port for effin (bsd3, control, library)2014-10-07HiromiIshii
loop-while30.0A monad transformer supporting various styles of while loop (bsd3, control, library)2010-01-11NeilBrown
loops110.0Fast imperative-style loops (bsd3, control, library)2014-06-13ThomasTuegel
machinecell380.0Arrow based stream transducers (bsd3, control, frp, library, reactivity)2018-04-17HidenoriAzuma
machines622.5Networked stream transducers (bsd3, control, enumerator, library)2017-07-28EdwardKmett, EricMertens, ryanglscott
machines-bytestring50.0ByteString support for machines (bsd3, control, library, machines)2017-06-07zclod
managed580.0A monad for managed values (bsd3, control, library)2018-02-14GabrielGonzalez
map-classes50.0A set of classes and instances for working with key/value mappings. (bsd3, control, library)2018-03-31clinton
mealstrom32.0Manipulate FSMs and store them in PostgreSQL. (control, database, library, mit)2016-12-07amx
mech50.0mecha are the most complex composite machines known to humanity, lets build them well! (bsd2, concurrency, control, data, library, network, system)2016-08-11CarterSchonwald
mechs40.0mecha are the most complex composite machines known to humanity, lets build them well! (bsd2, concurrency, control, data, library, network, system)2016-08-11CarterSchonwald
memo-ptr40.0Pointer equality memoization (control, library, mit)2015-05-31edofic
memoization-utils70.0Utilities for memoizing functions (control, library, mit)2015-11-06yamadapc
meta-par60.0Provides the monad-par interface, but based on modular scheduler "mix-ins". (bsd3, control, library, monads, parallelism)2012-05-04RyanNewton
micro-recursion-schemes230.0Simple recursion schemes (bsd3, control, library, recursion)2018-04-13
midair30.0Hot-swappable FRP (concurrency, control, frp, gpl, interaction, library, music, reactive, reactivity, user-interfaces)2016-03-11TomMurphy
minioperational (deprecated in favor of monad-skeleton)160.0fast and simple operational monad (bsd3, control, deprecated, library)2015-01-26FumiakiKinoshita
mix-arrows90.0Mixing effects of one arrow into another one (bsd3, control, library)2012-02-06MiguelMitrofanov
mmorph2432.5Monad morphisms (bsd3, control, library)2018-03-22GabrielGonzalez
mmtl50.0Modular Monad transformer library (bsd3, control, library)2008-09-30MauroJaskelioff
mmtl-base30.0MonadBase type-class for mmtl (bsd3, control, library)2011-12-13MatthewFarkasDyck
modular-prelude (deprecated)20.0A new Prelude featuring first class modules (control, deprecated, library, mit)2012-08-18DanBurton
modular-prelude-classy (deprecated)40.0Reifying ClassyPrelude a la ModularPrelude (control, deprecated, library, mit)2012-08-18DanBurton
monad-abort-fd80.0A better error monad transformer (bsd3, control, library)2018-04-01MikhailVorozhtsov
monad-atom90.0Monadically convert object to unique integers and back. (bsd3, control, library)2012-03-16GrzegorzChrupala
monad-atom-simple60.0Monadically map objects to unique ints. (bsd3, control, library)2012-02-23GrzegorzChrupala
monad-batcher50.0An applicative monad that batches commands for later more efficient execution (bsd3, control, library)2017-04-29BasVanDijk
monad-bool (deprecated)60.0This package has been removed. (bsd3, control, deprecated, library)2013-01-28JohnWiegley
monad-classes42.0more flexible mtl (control, library, mit)2017-01-13MatthewFarkasDyck
monad-codec50.0Monadic conversion between complex data structures and unique integers (bsd3, control, library)2012-10-09JakubWaszczuk
monad-connect50.0Transformer for TCP connection with TLS and SOCKS support (control, library, monad, network, public-domain)2016-03-16akrasner
monad-control2370.0Lift control operations, like exception catching, through monad transformers (bsd3, control, library)2018-02-26BasVanDijk
monad-control-aligned100.0Just like monad-control, except less efficient, and the monadic state terms are all * -> * (bsd3, control, library)2018-03-26athanclark
monad-coroutine170.0Coroutine monad transformer for suspending and resuming monadic computations (concurrency, control, library, monads)2018-02-25MarioBlazevic
monad-dijkstra50.0Monad transformer for weighted graph searches using Dijkstra's or A* algorithm (bsd3, control, library, monads)2017-06-28ecramer
monad-exception (deprecated in favor of layers)30.0Exstensible monadic exceptions (control, deprecated, library, public-domain)2012-03-01ShaneOBrien
monad-extras170.0Extra utility functions for working with monads (bsd3, control, library)2017-02-10JohnWiegley
monad-finally80.0Guard monadic computations with cleanup actions (bsd3, control, library)2018-04-01MikhailVorozhtsov
monad-fork (deprecated in favor of layers)30.0Type class for monads which support a fork operation. (control, deprecated, library, public-domain)2012-02-21ShaneOBrien
monad-hash90.0Monad transformer for incremental hashing (control, cryptography, hash, library, monad, public-domain)2016-05-30akrasner
monad-io-adapter50.0Adapters between MonadIO and MonadBase IO. (control, library)2017-11-21lexi_lambda
monad-journal1080.0Pure logger typeclass and monad transformer (bsd3, control, library)2017-11-25DimitriSabadie
monad-levels40.0Specific levels of monad transformers (control, library, mit)2015-02-03IvanMiljenovic
monad-lgbt40.0Monad transformers for combining local and global state. (bsd2, control, library)2016-07-23MichalGajda
monad-loops972.25Monadic loops (control, library, public-domain)2015-06-19JamesCook
monad-loops-stm60.0Monadic loops for STM (control, library, public-domain)2013-06-09JamesCook
monad-memo280.0Memoization monad transformer (bsd3, control, library, monad)2013-03-06EduardSergeev
monad-mersenne-random62.5An efficient random generator monad, based on the Mersenne Twister (bsd3, control, library)2010-07-14DonaldStewart
monad-open30.0Open recursion for when you need it (control, library, mit)2015-03-22JonSterling
monad-ox70.0Monad for observation extraction (bsd3, control, library, natural-language-processing)2013-04-06JakubWaszczuk
monad-par882.0A library for parallel programming based on a monad (bsd3, control, library, monads, parallelism)2016-06-16RyanNewton, SimonMarlow
monad-par-extras690.0Combinators and extra features for Par monads (bsd3, control, library, monads, parallelism)2013-07-12RyanNewton
monad-parallel270.0Parallel execution of monadic computations (bsd3, control, library, monads)2018-02-25MarioBlazevic
monad-parallel-progressbar50.0Parallel execution of monadic computations with a progress bar (control, library, mit, monads, system, user-interfaces)2015-04-05mnacamura
monad-param (deprecated in favor of indexed)100.0Parameterized monads (bsd3, control, deprecated, library)2011-01-15DominiqueDevriese, EdwardKmett
monad-peel100.0Lift control operations like exception catching through monad transformers (bsd3, control, library)2017-03-02AndersKaseorg, SergeyAlirzaev
monad-products152.0Monad products (bsd3, control, library, monads)2016-01-17EdwardKmett
monad-ran60.0Fast monads and monad transformers (bsd3, control, library, monads)2009-05-06EdwardKmett
monad-resumption130.0Resumption and reactive resumption monads for Haskell. (bsd3, control, library)2018-02-17AdamProcter, IanGraves
monad-skeleton210.0Monads of program skeleta (bsd3, control, library, monads)2017-08-02FumiakiKinoshita
monad-st130.0Provides a MonadST class (bsd3, control, library, monads)2017-06-26EdwardKmett
monad-state70.0Utility library for monads, particularly those involving state. (bsd3, control, data, library, monads)2014-12-02ByronJohnson
monad-ste70.0ST monad with efficient explicit errors (bsd2, control, library)2016-05-04CarterSchonwald
monad-stm70.0MonadSTM class analogous to MonadIO (bsd3, control, library)2013-04-07MiguelMitrofanov
monad-supply170.0Stateful supply monad. (control, data, library, mit, monads)2018-04-03GeoffHulette
monad-task80.0A monad transformer that turns event processing into co-routine programming. (bsd3, control, library)2018-01-04PaulLiu
monad-time350.0Type class for monads which carry the notion of the current time. (bsd3, control, library)2018-04-09GracjanPolak, MikhailGlushenkov, arybczak, jonathanjouty_scrive
monad-timing50.0Monad transformer for recording timing events (control, library, mit)2016-06-13pikajude
monad-tx60.0A transactional state monad. (bsd3, control, library, monads)2009-04-06MattMorrow
monad-unlift310.0Typeclasses for representing monad transformer unlifting (control, library, mit)2016-05-03MichaelSnoyman
monad-unlift-ref82.0Typeclasses for representing monad transformer unlifting (control, library, mit)2017-11-21MichaelSnoyman
monad-wrap50.0Wrap functions such as catch around different monads (bsd3, control, library)2013-04-27DavidMazieres
monadLib-compose40.0Arrow-like monad composition for monadLib. (bsd3, control, library, monads)2010-10-20AristidBreitkreuz
monadbi (deprecated)50.0Extract underlying monads from monad transformers (control, deprecated, library)2011-09-22AnupamJain
monadcryptorandom340.0A monad for using CryptoRandomGen (bsd3, control, cryptography, library)2018-04-11ThomasDuBuisson
monadfibre (deprecated)40.0Monadic functions which provide Choice and Parallelism. (control, deprecated, library)2011-09-22AnupamJain
monadiccp230.0Constraint Programming (bsd3, control, library)2013-07-19MaikRiechert, PieterWuille, TomSchrijvers
monadiccp-gecode50.0Constraint Programming (bsd3, control, library)2014-01-17JanTikovsky
monadio-unwrappable60.0Reversibly allow monad transformer stacks to run in IO (bsd3, control, library)2012-06-18AndrewMiller
monadlist60.0Monadic versions of list functions (bsd3, control, library)2011-10-08ThomasEding
monadloc150.0A class for monads which can keep a monadic call trace (control, library, monads, public-domain)2013-06-06PepeIborra
monadloc-pp100.0A preprocessor for generating monadic call traces (control, monads, program, public-domain)2014-10-17PepeIborra
monadplus520.0Haskell98 partial maps and filters over MonadPlus. (bsd3, control, library)2013-07-23HansHoglund
monads-fd (deprecated in favor of mtl)80.0Monad classes, using functional dependencies (bsd3, control, deprecated, library)2010-11-07RossPaterson
monads-tf630.0Monad classes, using type families (bsd3, control, library)2016-06-08RossPaterson
more-extensible-effects72.0Initial project template from stack (bsd3, control, library)2017-01-29qzchenwl
motor60.0Type-safe effectful state machines in Haskell (control, library, mpl)2017-11-06owickstrom
motor-diagrams80.0Generate state diagrams from Motor FSM typeclasses (control, library, mpl)2017-11-06owickstrom
motor-reflection40.0Reflect on Motor FSM typeclasses to obtain runtime representations (control, library, mpl)2017-11-06owickstrom
mtl1762.75Monad classes, using functional dependencies (bsd3, control, library)2018-02-24DonaldStewart, EdwardKmett, HerbertValerioRiedel, IanLynagh, RossPaterson, ryanglscott
mtl-evil-instances (deprecated in favor of layers)30.0Instances for the mtl classes for all monad transformers. (control, deprecated, library, public-domain)2012-02-29ShaneOBrien
mtl-extras (deprecated in favor of transformers-lift)30.0Higher order versions of MTL classes (bsd3, control, deprecated, library)2016-08-12int_index
mtl-tf (deprecated)90.0Monad Transformer Library with Type Families (bsd3, control, deprecated, library)2018-01-23MatthewFarkasDyck, TrevorElliott
mtl-unleashed150.0MTL classes without the functional dependency (bsd3, control, library)2015-11-11DavidFox
mtlx100.0Monad transformer library with type indexes, providing 'free' copies. (bsd3, control, library)2012-10-15MarkSnyder
multipass80.0Folding data with multiple named passes (bsd3, control, library)2013-01-27EdwardKmett
multistate520.0like mtl's ReaderT / WriterT / StateT, but more than one contained value/type. (bsd3, control, library)2018-04-13lspitzner
mvc130.0Model-view-controller (bsd3, concurrency, control, library)2017-12-01GabrielGonzalez
mvc-updates90.0Concurrent and combinable updates (bsd3, concurrency, control, library)2014-09-23GabrielGonzalez
mzv50.0Implementation of the "Monads, Zippers and Views" (Schrijvers and Oliveira, ICFP'11) (bsd3, control, library)2014-04-16IsmaelFigueroa
named142.25Named parameters (keyword arguments) for Haskell (bsd3, control, library)2018-02-05Artyom, int_index
natural-transformation632.0A natural transformation package. (bsd3, control, library)2016-11-15AndrewFarmer, AndyGill, NeilSculthorpe, ryanglscott
needle50.0ASCII-fied arrow notation (control, library, mit)2014-09-28ScrambledEggs
newtype310.0A typeclass and set of functions for working with newtypes. (bsd3, control, library)2011-04-20DariusJahandarie, jcristovao
newtype-deriving60.0Instance derivers for newtype wrappers (control, library, mit, template-haskell)2016-05-02NikitaVolkov
newtype-generics902.0A typeclass and set of functions for working with newtypes (bsd3, control, library)2018-03-23jcristovao, sjakobi
newtype-th50.0A template haskell deriver to create Control.Newtype instances. (bsd3, control, library, template-haskell)2012-07-19MichaelSloan
newtyper60.0Extra functions for the Control.Newtype typeclass (bsd3, control, library)2012-05-15DylanJust
nondeterminism72.0A monad and monad transformer for nondeterministic computations. (ai, constraints, control, failure, library, monads)2015-10-19AndreiBarbu
nqe70.0Concurrency library in the style of Erlang/OTP (control, library, public-domain)2017-12-29xenog
objective280.0Composable objects (bsd3, control, library)2017-12-20FumiakiKinoshita
open-signals90.0A mechanism similar to checked exceptions that integrates with MTL and transformer stacks (control, library, mit)2016-04-17darwin226
operational502.0Implementation of difficult monads made easy with operational semantics. (bsd3, control, library, monads)2016-11-21HeinrichApfelmus
operational-class100.0MonadProgram typeclass for the operational package (control, library, mit)2015-07-12srijs
overload60.0Finite overloading (control, library, mit)2018-03-08darwin226
parallel1090.0Parallel programming library (bsd3, control, library, parallelism)2017-04-08AustinSeipp, HerbertValerioRiedel, IanLynagh, SimonMarlow
parallel-tree-search130.0Parallel Tree Search (concurrency, control, library, public-domain)2009-04-09SebastianFischer
parameterized120.0Parameterized/indexed monoids and monads using only a single parameter type variable. (bsd3, control, library)2017-12-17louispan
partial80.0A nullary type class for partial functions (control, library, mit)2017-11-28PhilFreeman
partial-isomorphisms100.0Partial isomorphisms. (bsd3, control, library)2017-05-12TillmannRendel, schernichkin
partial-lens (deprecated in favor of data-lens)30.0Haskell 98 Partial Lenses (comonads, control, deprecated, library, mit)2011-12-21RussellOConnor
perm50.0permutation Applicative and Monad with many mtl instances (bsd3, control, library)2012-11-11AndySonnenburg
phantom-state100.0Phantom State Transformer. Like State Monad, but without values. (bsd3, control, library)2016-05-31DanielDiaz
pipe-enumerator40.0A bidirectional bridge between pipes and iteratees (bsd3, control, library, pipes)2015-07-07patrykz
pipes1892.75Compositional pipelines (bsd3, control, library, pipes)2018-03-12GabrielGonzalez
pipes-async50.0A higher-level interface to using concurrency with pipes (bsd3, control, library)2017-01-02JohnWiegley
pipes-attoparsec-streaming (deprecated)40.0Streaming parsing in the pipes-core framework with Attoparsec. (bsd3, control, deprecated, library, program)2012-06-20MartinGrabmueller
pipes-break62.0Pipes to group by any delimiter (such as lines with carriage returns) (bsd3, control, library, pipes)2017-03-16mindreader
pipes-bytestring240.0ByteString support for pipes (bsd3, control, library, pipes)2017-07-14GabrielGonzalez
pipes-category80.0Allows instances for Category, Arrow and ArrowChoice for Pipes. (bsd3, control, library, pipes)2017-10-08louispan
pipes-cellular50.0Pipes-based combinators for cellular data processing (bsd3, control, library, pipes)2015-07-07patrykz
pipes-cellular-csv30.0Efficient pipes-based cellular CSV codec (bsd3, control, library, pipes)2015-07-07patrykz
pipes-concurrency292.0Concurrency for the pipes ecosystem (bsd3, concurrency, control, library, pipes)2018-03-18GabrielGonzalez
pipes-conduit30.0Conduit adapters (bsd3, control, enumerator, library)2012-03-10PaoloCapriotti
pipes-core (deprecated in favor of pipes)30.0Compositional pipelines (bsd3, control, deprecated, enumerator, library)2012-04-09PaoloCapriotti
pipes-errors40.0Integration between pipes and errors (bsd3, control, error-handling, library, monad, pipes)2015-05-21jdnavarro
pipes-extra60.0Various basic utilities for Pipes. (bsd3, control, enumerator, library)2012-06-09PaoloCapriotti
pipes-extras380.0Extra utilities for pipes (bsd3, control, library, pipes)2018-04-20GabrielGonzalez
pipes-fluid130.0Reactively combines Producers so that a value is yielded as soon as possible. (bsd3, control, frp, library, pipes)2017-10-08louispan
pipes-group240.0Group streams into substreams (bsd3, control, library, pipes)2018-01-28GabrielGonzalez
pipes-io30.0Stateful IO streams based on pipes (apache, control, library, pipes)2016-08-26yinguanhao
pipes-lines (deprecated in favor of pipes-break)60.0Pipes for grouping by lines with carriage returns. (bsd3, control, deprecated, library, pipes)2017-03-16mindreader
pipes-misc120.0Miscellaneous utilities for pipes, required by glazier-tutorial (bsd3, control, library, pipes)2017-10-08louispan
pipes-parse252.0Parsing infrastructure for the pipes ecosystem (bsd3, control, library, parsing, pipes)2016-12-03GabrielGonzalez
pipes-random120.0Producers for handling randomness. (bsd3, control, library)2017-11-26fosskers
pipes-rt50.0A few pipes to control the timing of yields (bsd3, control, library, pipes, program)2015-01-21imalsogreg
pipes-safe330.0Safety for the pipes ecosystem (bsd3, control, error-handling, library, pipes)2018-03-16GabrielGonzalez
pipes-transduce240.0Interfacing pipes with foldl folds. (bsd3, control, library)2018-04-07DanielDiazCarrete
pipes-vector80.0Various proxies for streaming data into vectors (bsd3, control, library)2015-05-29BenGamari
pipes-zeromq470.0Pipes integration for ZeroMQ messaging (bsd3, control, library, network, pipes)2017-04-20peddie
plan-applicative30.0Applicative/Arrow for resource estimation and progress tracking. (bsd3, control, library)2017-01-01DanielDiazCarrete
poly-cont60.0Poly-kinded continuations (bsd3, control, library)2018-03-14dfeuer
ports40.0The Haskell Ports Library (control, library)2007-07-14DonaldStewart
prelude-plus90.0Prelude for rest of us (bsd3, control, data, system)2009-10-14YusakuHashimoto
product-profunctors230.0product-profunctors (bsd3, category, control, library)2018-04-07tomjaguarpaw
profunctor-extras200.0This package has been absorbed into profunctors 4.0 (bsd3, categories, control, library)2013-10-13EdwardKmett
profunctors2072.5Profunctors (bsd3, categories, control, library)2018-01-18EdwardKmett, ryanglscott
progress-reporting82.0Functionality for reporting function progress. (control, lgpl, library)2017-09-27JeroenBransen
prologue970.0Better, more general Prelude exporting common utilities. (apache, control, library)2018-04-22danilo2
prompt90.0Monad (and transformer) for deferred-effect pure prompt-response queries (control, library, mit)2016-05-26jle
quantum-arrow52.0An embedding of quantum computation as a Haskell arrow (control, library)2009-01-09LukePalmer
quiver182.0Quiver finite stream processing library (bsd3, control, library)2015-12-08patrykz
quiver-binary40.0Binary serialisation support for Quivers (control, library, mit)2016-11-26IvanMiljenovic
quiver-bytestring40.0Quiver combinators for bytestring streaming (bsd3, control, library)2015-09-13patrykz
quiver-cell50.0Quiver combinators for cellular data processing (bsd3, control, library)2015-08-31patrykz
quiver-csv50.0Quiver combinators for cellular CSV data processing (bsd3, control, library)2015-08-04patrykz
quiver-enumerator30.0Bridge between Quiver and Iteratee paradigms (bsd3, control, library)2015-08-03patrykz
quiver-groups30.0Group and chunk values within a Quiver (control, library, mit)2016-07-19IvanMiljenovic
quiver-http50.0Adapter to stream over HTTP(s) with quiver (bsd3, control, http, library)2015-08-18ChristianMarie
quiver-instances50.0Extra instances for Quiver (control, library, mit)2016-11-26IvanMiljenovic
quiver-interleave50.0Interleave values from multiple Quivers (control, library, mit)2016-11-26IvanMiljenovic
quiver-sort60.0Sort the values in a quiver (control, library, mit)2016-11-26IvanMiljenovic
random-eff30.0A simple random generator library for extensible-effects (bsd3, control, effect, library)2014-04-01HiromiIshii
random-effin40.0A simple random generator library for effin (bsd3, control, effect, library)2014-10-09HiromiIshii
rank2classes240.0standard type constructor class hierarchy, only with methods of rank 2 types (bsd3, control, data, generics, library)2018-03-17MarioBlazevic
rate-limit310.0A basic library for rate-limiting IO actions. (bsd3, control, library)2017-12-10AdamWick
reactive-haskell (deprecated)40.0minimal fork of io-reactive (bsd3, control, deprecated, library, reactivity)2014-09-23Heather
reactive-io (deprecated)50.0IO-oriented FRP library (control, deprecated, library, mit)2013-07-06RomanCheplyaka
reasonable-lens81.25Lens implementation. It is more small but adequately. (control, library, mit)2015-04-15outoftune
reasonable-operational80.0Just size Operational Monad implementation. (control, library, mit)2015-02-13outoftune
record130.0Anonymous records (control, data-structures, library, mit, records)2016-10-24NikitaVolkov
recursion-schemes612.5Generalized bananas, lenses and barbed wire (bsd3, control, library, recursion)2017-06-26EdwardKmett, EricMertens, ryanglscott
recursion-schemes-ext160.0Amateur addenda to recursion-schemes (bsd3, control, library)2018-03-23vmchale
ref-fd162.0A type class for monads with references using functional dependencies. (bsd3, control, library)2016-05-10GeoffreyMainland
ref-mtl50.0A type class for monads with references compatible with the mtl2 library. (bsd3, control, library)2011-04-05GeoffreyMainland
ref-tf170.0A type class for monads with references using type families. (bsd3, control, library)2016-07-10GeoffreyMainland
reference50.0A class for references in Haskell (control, data, library, mit)2010-09-06MaciejPiechotka
references180.0Selectors for reading and updating data. (bsd3, control, library)2017-11-28lazac
regions150.0Provides the region monad for safely opening and working with scarce resources. (bsd3, control, library, monadic-regions)2011-09-23BasVanDijk
regions-monadsfd (deprecated in favor of regions-mtl)90.0Monads-fd instances for the RegionT monad transformer (bsd3, control, deprecated, library, monadic-regions)2010-09-01BasVanDijk
regions-monadstf100.0Monads-tf instances for the RegionT monad transformer (bsd3, control, library, monadic-regions)2011-09-23BasVanDijk
regions-mtl30.0mtl instances for the RegionT monad transformer (bsd3, control, library, monadic-regions)2011-09-23BasVanDijk
rematch120.0A simple api for matchers (control, library, mit)2013-05-19TomCrayford
rematch-text70.0`rematch` matchers for Data.Text (control, library, mit)2013-05-19TomCrayford
remote-monad60.0An parametrizable Remote Monad, and parametrizable Applicative Functor (bsd3, control, library)2016-02-08AndyGill
representable-profunctors (deprecated in favor of profunctors)130.0This package has been absorbed into profunctor-extras. (bsd3, categories, control, deprecated, library)2013-01-07EdwardKmett
request-monad40.0A transformer for generic requests (control, library, mit)2014-06-27nahiluhmot
resource-effect40.0A port of the package 'resourcet' for extensible effects. (bsd3, control, effect, library)2014-01-05ClarkGaebel
resource-pool-monad60.0A monadic interface for resource-pool (control, library, mit)2015-10-24srijs
resource-simple40.0Allocate resources which are guaranteed to be released. (bsd3, control, library)2012-03-02ShaneOBrien
resumable-exceptions30.0A monad transformer for resumable exceptions (control, error-handling, failure, library, monads, reactivity)2010-09-20NicolasFrisby
retry1352.5Retry combinators for monadic actions that may fail (bsd3, control, library)2018-03-22MichaelXavier, OzgunAtaman
rev-state80.0Reverse State monad transformer (bsd3, control, library)2016-02-01DanBurton
rex130.0A quasi-quoter for typeful results of regex captures. (bsd3, control, library)2016-06-03MichaelSloan
rio240.0A standard library for Haskell (control, library, mit)2018-04-12MichaelSnoyman
rio-orphans30.0Orphan instances for the RIO type in the rio package (control, library, mit)2018-04-04MichaelSnoyman
rmonad100.0Restricted monad library (bsd3, control, library)2013-12-23GaneshSittampalam
safe-exceptions1022.25Safe, consistent, and easy exception handling (control, library, mit)2018-01-18FrancescoMazzoli, MichaelSnoyman
safe-exceptions-checked82.0Safe, checked exceptions (bsd3, control, library)2017-01-28mitchellwrosen
scc190.0Streaming component combinators (combinators, concurrency, control, library, program)2016-06-19MarioBlazevic
schonfinkeling50.0Transformation of n-ary functions to unary functions (bsd3, control, library)2011-10-03DenisDefreyne
semi-iso40.0Weakened partial isomorphisms, reversible computations. (control, data, library, mit)2014-12-12pawel834
semigroupoid-extras190.0Semigroupoids that depend on PolyKinds (bsd3, control, library)2015-05-15EdwardKmett
semigroupoids2502.5Semigroupoids: Category sans id (bsd3, comonads, control, library)2018-01-18EdwardKmett, EricMertens, ryanglscott
sessions170.0Session Types for Haskell (control, library)2008-07-18MatthewSackman
sessiontypes60.0Session types library (control, gpl, library, program)2018-01-13ferdinandvw
sessiontypes-distributed40.0Session types distributed (control, gpl, library)2018-01-13ferdinandvw
shade80.0A control structure used to combine heterogenous types with delayed effects. (bsd3, control, library)2017-05-20fredefox
shared-fields50.0a tiny library for using shared lens fields (bsd3, control, library)2015-07-20Intolerable
shortcircuit60.0Short-circuit values and expressions. (bsd3, control, data, library)2010-10-14AristidBreitkreuz
simple-effects252.0A simple effect system that integrates with MTL (bsd3, control, library)2018-03-22darwin226
simple-observer70.0The Observer pattern (bsd3, control, library)2009-11-11AndyGimblett
simple-sessions70.0A simple implementation of session types (bsd3, control, library)2013-10-10JesseTov
sink (deprecated)20.0An alternative to lazy I/O that doesn't conflate execution with evaluation (control, data, deprecated, library, mit, system)2011-08-27JakeMcArthur
skulk50.0Eclectic collection of utility functions (control, library, mit)2016-06-05geekyfox
sousit60.0Source/Sink/Transform: An alternative to lazy IO and iteratees. (bsd3, control, library)2012-09-16MarioSiegenthaler
spawn90.0Tiny library for concurrent computations (bsd3, concurrency, concurrent, control, library)2011-10-09KeeganMcAllister
speculation-transformers50.0Merged into 'speculation'. Use that instead. (bsd3, control, library)2011-01-19EdwardKmett
stack-hpc-coveralls80.0Initial project template from stack (control, library, program)2016-09-01rubik
state-bag30.0Monad transformers for holding bags of state. (bsd3, control, library)2016-07-22RobinKay
state-plus60.0MonadPlus for StateT (bsd3, control, library)2017-04-16BorisSukholitko
stateWriter150.0A faster variant of the RWS monad transformers. (bsd3, control, library)2018-01-10SimonMarechal
statestack330.0Simple State-like monad transformer with saveable and restorable state (bsd3, control, library)2016-01-18BrentYorgey, RyanYates, jeffreyrosenbluth, bergey
static-closure40.0Serialisable static pointers to functions (bsd3, control, library)2018-01-17clinton
stm-supply60.0STM wrapper around Control.Concurrent.Supply. (bsd3, control, library)2016-11-19jmc41493
stopwatch120.0A simple stopwatch utility (bsd3, control, library)2018-03-14debugito
stream-monad100.0Simple, Fair and Terminating Backtracking Monad (bsd3, control, library, monads)2012-09-10SebastianFischer
streaming-eversion90.0Translate pull-based stream folds into push-based iteratees. (bsd3, control, library)2017-03-08DanielDiazCarrete
streamly142.25Beautiful Streaming, Concurrent and Reactive Composition (bsd3, concurrency, control, library, reactivity, streaming)2018-03-25harendra
streamproc130.0Stream Processer Arrow (bsd3, control, library)2013-04-05PeterSimons
streams382.0Various Haskell 2010 stream comonads (bsd3, comonads, control, library)2016-06-15EdwardKmett, ryanglscott
strict-concurrency210.0Strict concurrency abstractions (bsd3, control, library)2017-08-29DonaldStewart, YitzGale
strict-identity40.0Strict Identity Monad, handy for writing fast code! (bsd3, control, library)2014-01-12CarterSchonwald
strict-writer (deprecated in favor of writer-cps-mtl)60.0A stricter writer, which uses StateT in order to avoid space leaks. (control, deprecated, library, mit)2017-02-10oisdk
strictly30.0Combinators for strictifying functions (bsd3, control, library)2013-08-14DanBurton
stt80.0A monad transformer version of the ST monad (control, library, mit)2016-11-06mckeankylej
sub-state40.0Get the total, put a single element (bsd3, control, library)2015-09-03athanclark
subhask42.0Type safe interface for programming in subcategories of Hask (algebra, bsd3, categories, control, library)2015-09-01MikeIzbicki
successors60.0An applicative functor to manage successors (control, library, mit)2017-12-31JoachimBreitner
supervisor60.0Control an internal monad execution for trace generation, backtrakcking, testing and other purposes (bsd3, control, library)2013-12-31AlbertoCorona
synchronous-channels82.0Synchronous communication channels (bsd3, concurrency, control, library)2015-07-07JesseTov
tagged-exception-core40.0Reflect exceptions using phantom types. (bsd3, control, error-handling, exceptions, failure, library, monad, monads, phantom-types)2016-02-02PeterTrsko
tagged-identity70.0Trivial monad transformer that allows identical monad stacks have different types (bsd3, control, library)2017-05-23mrkkrp
tagshare230.0TagShare - explicit sharing with tags (bsd3, control, library)2012-08-01JonasDuregard
takahashi80.0create slide for presentation. (control, library, mit)2015-07-14outoftune
tardis142.0Bidirectional state monad transformer (bsd3, control, library)2016-04-25DanBurton
these362.25An either-or-both data type & a generalized 'zip with padding' typeclass (bsd3, control, data, library)2017-06-16JohnWiegley, phadej, cmccann
threads-pool60.0A library to operate with pool of haskell's IO threads (bsd3, control, library)2010-11-08IlyaPortnov
time-machine50.0A library to mock the current time. (bsd3, control, library)2017-11-26y_taka_23
time-out50.0Timers, timeouts, alarms, monadic wrappers (control, library, monad, public-domain, time, timeout)2016-05-30akrasner
time-warp62.0Distributed systems execution emulation (control, library, mit, network)2017-03-18jagajaga, gromak, volhovm, martoon
timeout40.0Generalized sleep and timeout functions (concurrency, control, library, mit)2014-08-02FedorGogolev
timeout-control50.0Updatable timeouts as a Monad transformer (bsd3, concurrency, control, library)2015-08-31NathanHowell
timers-tick140.0tick based timers (bsd3, control, library)2018-03-15fffaaa
total70.0Exhaustive pattern matching using lenses, traversals, and prisms (bsd3, control, library)2017-02-20GabrielGonzalez
trace90.0A monad transformer for tracing provenience of errors (control, library, mit)2015-04-15JonSterling
transactional-events40.0Transactional events, based on Concurrent ML semantics (bsd3, control, library)2008-10-10RyanIngram
transformers2122.5Concrete functor and monad transformers (bsd3, control, library)2017-10-04RossPaterson
transformers-abort130.0Error and short-circuit monad transformers (bsd3, control, library)2016-12-09MikhailVorozhtsov
transformers-base1950.0Lift computations from the bottom of a transformer stack (bsd3, control, library)2018-03-31MikhailVorozhtsov
transformers-bifunctors152.0Bifunctors over monad transformers. (bsd3, control, functors, library)2017-07-16JacobStanley
transformers-compose30.0Arrow-like / category-like composition for transformers. (bsd3, control, library, monads)2010-11-01AristidBreitkreuz
transformers-continue42.0Control flow data type and monad transformer. (bsd3, control, library)2017-03-16nhibberd
transformers-convert20.0Sensible conversions between some of the monad transformers (bsd3, control, library)2014-05-30jcristovao
transformers-eff40.0An approach to managing composable effects, ala mtl/transformers/extensible-effects/Eff (bsd3, control, library)2018-03-22OliverCharles
transformers-free (deprecated in favor of free)70.0Free monad transformers (bsd3, control, deprecated, library)2012-11-01GabrielGonzalez
transformers-lift142.0Ad-hoc type classes for lifting (bsd3, control, library)2017-05-11int_index
transformers-runnable30.0A unified interface for the run operation of monad transformers (bsd3, control, library)2012-10-12JanBessai
transient672.5composing programs with multithreading, events and distributed computing (concurrency, control, library, mit)2018-04-15AlbertoCorona, geraldus
transient-universe450.0Remote execution and map-reduce: distributed computing for Transient (control, distributed-computing, library, mit, program)2018-04-15AlbertoCorona, geraldus
tree-monad130.0Non-Determinism Monad for Tree Search (bsd3, control, library, monads)2010-10-09SebastianFischer
trivia40.0The trivial monad and comonad (bsd3, control, library)2014-03-02FumiakiKinoshita
tubes140.0Write stream processing computations with side effects in a series of tubes. (control, gpl, library, streaming)2016-08-16gatlin
tuple-lenses40.0Stock FieldN combos and generators (bsd3, control, library)2013-03-28JonathanFischoff
tweak40.0A library for incremental computing (bsd3, control, library)2013-10-05JonathanFischoff
type-operators150.0Various type-level operators (bsd3, control, library)2016-10-25Shou
uberlast40.0Generate overloaded lenses from plain data declaration (bsd3, control, library)2014-11-27FumiakiKinoshita
unexceptionalio710.0IO without any non-error, synchronous exceptions (control, library)2016-01-07StephenWeber
unliftio1102.25The MonadUnliftIO typeclass for unlifting monads to IO (batteries included) (control, library, mit)2018-04-22MichaelSnoyman
unliftio-core680.0The MonadUnliftIO typeclass for unlifting monads to IO (control, library, mit)2018-01-04MichaelSnoyman
unliftio-pool380.0Data.Pool generalized to MonadUnliftIO. (bsd3, control, data, database, library, network)2018-04-23BardurArantsson
unordered-containers-rematch30.0Rematch support for unordered containers (control, library, mit)2013-05-20TomCrayford
unpack-funcs80.0Monad transformers that mirror worker-wrapper transformations. (bsd3, control, library)2013-04-18LouisWasserman
unsafe280.0Unified interface to unsafe functions (bsd3, control, library)2013-04-21HenningThielemann
unsequential80.0An extension removing the sequentiality from monads (control, library, mit)2017-03-20NikitaVolkov
uu-interleaved130.0Providing an interleaving combinator for use with applicative/alternative style implementations. (applicative, control, library, mit, parsing, text)2015-04-16DoaitseSwierstra
validationt102.0Straightforward validation monad. Convenient solution for validating web forms and APIs. (bsd3, control, library)2017-05-17typeable
var-monad90.0The VarMonad typeclass, generalizing types of references. (apache, control, library)2017-08-29chris_martin
variables30.0Monads with variables, without deep magic (control, library, mit)2014-08-18alynn
varying172.0FRP through value streams and monadic splines. (control, frp, library, mit, program)2016-12-12SchellScivally
vector-strategies80.0A parallel evaluation strategy for boxed vectors (bsd3, control, library)2012-11-13ThomasDuBuisson
views (deprecated in favor of definitive-base)30.0Views allow you to run a State monad on part of a state. (bsd3, control, deprecated, library, monad)2013-03-15MarcCoiffier
vinyl-utils140.0Utilities for vinyl (bsd3, control, library)2017-12-28mjmrotek
watchdog50.0Simple control structure to re-try an action with exponential backoff (bsd3, control, library)2017-06-06JanVornberger
weighted30.0Writer monad which uses semiring constraint (control, library, mit)2017-02-13oisdk
weighted-search80.0A weighted nondeterministic search monad (bsd3, control, library)2013-03-13LukePalmer
wires252.0Functional reactive programming library (bsd3, control, frp, library)2018-04-15esz
withdependencies110.0Run computations that depend on one or more elements in a stream. (control, gpl, library)2018-02-02SimonMarechal
wl-pprint-extras370.0A free monad based on the Wadler/Leijen pretty printer (bsd3, control, library, monads, text)2015-06-09EdwardKmett, NathanielFilardo
wl-pprint-terminfo440.0A color pretty printer with terminfo support (bsd3, control, library, monads, text)2016-06-22EdwardKmett, NathanielFilardo
writer-cps-full60.0WriteT and RWST monad transformers (Reexport with all dependencies) (bsd3, control, library)2017-01-19minad, louispan
writer-cps-lens90.0Lens instances for the stricter CPS WriterT and RWST (bsd3, control, library)2017-03-06minad, louispan
writer-cps-monads-tf40.0MonadWriter orphan instances for writer-cps-transformers (bsd3, control, library)2017-01-16minad
writer-cps-morph90.0MFunctor instance for CPS style WriterT and RWST (bsd3, control, library)2017-03-06minad, louispan
writer-cps-mtl250.0MonadWriter orphan instances for writer-cps-transformers (bsd3, control, library)2017-04-28minad
writer-cps-transformers270.0WriteT and RWST monad transformers (bsd3, control, library)2017-04-28minad
xml-html-conduit-lens70.0Optics for xml-conduit and html-conduit (bsd3, control, library)2017-04-21MatveyAksenov
zoom-refs40.0Zoom (~ Functor) and pairing (~ Applicative) for mutable references. (bsd3, control, library)2016-05-23mjmrotek