# Packages tagged data-structures

266 packages have this tag.

[Merge tag] (trustees only)Related tags: library (261), bsd3 (204), data (63), mit (31), program (18), deprecated (15), algorithms (12), gpl (12), graphs (12), succinct-data-structures (8), algebra (6), bioinformatics (6), math (6), apache (5), concurrency (4), functors (4), monads (4), bit (3), comonads (3), containers (3), control (3), data-mining (3), graphics (3), lgpl (3), machine-learning (3), records (3), bit-vectors (2), bsd2 (2), dependent-types (2), development (2), distributed-computing (2), formal-languages (2), miso (2), parallelism (2), public-domain (2), stm (2), web (2), adjunctions (1), categories (1), concurrent (1), csv (1), data-flow (1), database (1), education (1), ...

Name |
DLs |
Rating |
Description |
Tags |
Last U/L |
Maintainer |
---|---|---|---|---|---|---|

ADPfusion | 602 | 0.0 | Efficient, high-level dynamic programming. | (algorithms, bioinformatics, bsd3, data-structures, formal-languages, library) | 2019-10-01 | ChristianHoener |

ADPfusionSet | 45 | 0.0 | Dynamic programming for Set data structures. | (algorithms, bioinformatics, bsd3, data-structures, formal-languages, library) | 2017-10-19 | ChristianHoener |

AlignmentAlgorithms | 146 | 0.0 | Collection of alignment algorithms | (algorithms, bioinformatics, data-structures, gpl, library, linguistics) | 2017-03-14 | ChristianHoener |

AvlTree | 266 | 0.0 | Balanced binary trees using the AVL algorithm. | (bsd3, data-structures, library) | 2008-08-29 | AdrianHey |

BiobaseTypes | 289 | 0.0 | Collection of types for bioinformatics | (bioinformatics, bsd3, data-structures, library) | 2019-06-14 | ChristianHoener |

CTRex | 61 | 0.0 | Open records using closed type families. | (bsd3, data, data-structures, library) | 2014-11-13 | AtzeVanDerPloeg |

DrIFT | 126 | 0.0 | Program to derive type class instances | (bsd3, data-structures, library, program) | 2013-11-11 | KiwamuOkabe |

DrIFT-cabalized (deprecated in favor of DrIFT) | 160 | 0.0 | Program to derive type class instances | (bsd3, data-structures, deprecated, program) | 2013-09-03 | GwernBranwen, KiwamuOkabe |

EdisonAPI | 332 | 0.0 | A library of efficient, purely-functional data structures (API) | (data-structures, library, mit) | 2016-06-03 | RobertDockins |

EdisonCore | 626 | 2.25 | A library of efficient, purely-functional data structures (Core Implementations) | (data-structures, library, mit) | 2018-01-05 | RobertDockins |

EnumMap | 42 | 0.0 | More general IntMap replacement. | (bsd3, data-structures, library) | 2009-09-15 | JohnVanEnk |

Etage-Graph | 171 | 0.0 | Data-flow based graph algorithms | (data-structures, lgpl, library, program) | 2014-05-10 | MitarMilutinovic |

FenwickTree | 134 | 0.0 | Data structure for fast query and update of cumulative sums | (bsd3, data-structures, library) | 2015-03-19 | MichalGajda |

GiST | 45 | 0.0 | A Haskell implementation of a Generalized Search Tree (GiST) | (data-structures, library) | 2013-06-27 | MihailBogojeski |

HLearn-approximation (deprecated) | 74 | 0.0 | (bsd3, data-mining, data-structures, deprecated, library, machine-learning) | 2013-07-30 | MikeIzbicki | |

HLearn-datastructures (deprecated) | 63 | 0.0 | (bsd3, data-mining, data-structures, deprecated, library, machine-learning) | 2013-07-27 | MikeIzbicki | |

HMap | 702 | 0.0 | Fast heterogeneous maps and unconstrained typeable-like functionality. | (bsd3, data, data-structures, library) | 2018-04-17 | AtzeVanDerPloeg |

HoleyMonoid | 109 | 0.0 | Monoids with holes. | (bsd3, data-structures, library) | 2017-02-13 | MartijnVanSteenbergen |

I1M | 105 | 0.0 | Code for the Haskell course taught at the University of Seville. | (data-structures, education, gpl, library) | 2019-09-13 | Jose_A_Alonso |

InternedData | 31 | 0.0 | Data interning (with compact regions where possible) | (bsd3, data, data-structures, library, natural-language-processing) | 2019-10-02 | ChristianHoener |

KdTree | 243 | 0.0 | KdTree, for efficient search in K-dimensional point clouds. | (bsd3, data-mining, data-structures, graphics, library, machine-learning) | 2017-09-29 | IssacTrotts, jessekempf |

PSQueue | 132 | 0.0 | Priority Search Queue | (bsd3, data-structures, library) | 2019-01-12 | HerbertValerioRiedel, ScottDillard |

PerfectHash | 199 | 0.0 | A perfect hashing library for mapping bytestrings to values. | (bsd3, data, data-structures, library) | 2016-04-29 | MarkWotton |

RBTree | 132 | 0.0 | Pure haskell Red-Black-Tree implemetation | (bsd3, data-structures, library) | 2011-06-09 | XingboWu |

Stack | 190 | 2.25 | Stack data structure | (bsd3, data-structures, library) | 2019-01-18 | rwlock |

SuffixStructures | 22 | 0.0 | Suffix array construction | (bsd3, data, data-structures, library, program) | 2015-05-07 | ChristianHoener |

TernaryTrees | 478 | 0.0 | Efficient pure ternary tree Sets and Maps | (bsd3, data-structures, library, program) | 2011-01-22 | AlexMason |

TreeStructures | 79 | 0.0 | A collection of heaps and search trees | (bsd3, data-structures, library) | 2010-03-15 | BrendanHickey |

adjunctions | 1992 | 2.25 | Adjunctions and representable functors | (adjunctions, bsd3, data-structures, library) | 2018-01-28 | EdwardKmett, EricMertens, ryanglscott, AaronVargo |

adp-multi | 165 | 0.0 | ADP for multiple context-free languages | (algorithms, bioinformatics, bsd3, data-structures, library) | 2013-05-29 | MaikRiechert |

adp-multi-monadiccp | 95 | 0.0 | Subword construction in adp-multi using monadiccp | (algorithms, bioinformatics, bsd3, data-structures, library) | 2013-05-29 | MaikRiechert |

algebraic-graphs | 624 | 2.5 | A library for algebraic graph construction and transformation | (algebra, algorithms, data-structures, graphs, library, mit) | 2020-02-02 | snowleopard |

appendmap | 160 | 0.0 | Map with a Semigroup and Monoid instances delegating to Semigroup of the elements | (bsd3, data-structures, library) | 2018-09-02 | AlexeyKotlyarov |

array | 506 | 2.0 | Mutable and immutable arrays | (bsd3, data-structures, library) | 2019-09-01 | AustinSeipp, HerbertValerioRiedel, IanLynagh |

array-utils (deprecated) | 86 | 0.0 | Primitive functions for updating many elements in mutable arrays at once | (bsd3, data, data-structures, deprecated, library) | 2011-01-29 | AlexMason |

bag (deprecated in favor of dlist) | 24 | 0.0 | A simple stable bag. | (data-structures, deprecated, library, mit) | 2011-07-22 | DanielWaterworth |

barbies | 353 | 0.0 | Classes for working with types that can change clothes. | (bsd3, data-structures, library) | 2020-01-12 | DanielGorin |

bcp47 | 35 | 0.0 | Language tags as specified by BCP 47 | (data, data-structures, library, mit) | 2019-08-26 | dukerutledge |

bit-array | 146 | 0.0 | A bit array (aka bitset, bitmap, bit vector) API for numeric types | (bit-vectors, data-structures, library, mit, pretty-printer) | 2016-10-01 | NikitaVolkov |

bitset | 466 | 0.0 | A space-efficient set data structure. | (data-structures, library, mit) | 2014-03-10 | DenisBueno, FedorGogolev, SergeiLebedev |

bitwise | 234 | 0.0 | fast multi-dimensional unboxed bit packed Bool arrays | (bit-vectors, bsd3, data, data-structures, library) | 2018-04-26 | ClaudeHeilandAllen |

bitwise-enum | 68 | 0.0 | Bitwise operations on bounded enumerations | (bsd3, data, data-structures, foreign, library, unclassified) | 2020-01-01 | jnbooth |

bk-tree | 74 | 0.0 | BK-tree implementation | (data-structures, library, public-domain) | 2012-10-29 | FrancescoMazzoli |

bktrees | 229 | 0.0 | A set data structure with approximate searching | (bsd3, data-structures, library) | 2010-11-22 | JosefSvenningsson |

bookkeeper | 265 | 0.0 | Anonymous records and overloaded labels | (bsd3, data-structures, library, program, records) | 2017-12-17 | jkarni, bandali |

bookkeeper-permissions | 41 | 0.0 | Permissions for bookkeeper records | (bsd3, data-structures, library, records) | 2016-09-12 | pkamenarsky |

boolexpr | 22 | 0.0 | Boolean expressions with various representations and search queries. | (bsd3, data-structures, library, parsing, search) | 2011-12-15 | NicolasPouillard |

btree-concurrent | 149 | 0.0 | A backend agnostic, concurrent BTree | (data-structures, library) | 2012-10-31 | JohanBrinch |

build | 79 | 2.0 | Build systems a la carte | (algorithms, data-structures, library, mit) | 2018-07-06 | snowleopard |

bytestring-to-vector | 117 | 0.0 | Convert between ByteString and Vector.Storable without copying | (bsd3, data-structures, library) | 2019-02-08 | SvenHeyll |

bytestring-trie | 560 | 2.5 | An efficient finite map from (byte)strings to values. | (bsd3, data, data-structures, library) | 2019-02-26 | WrenThornton, WrenRomano |

cmph | 28 | 0.0 | low level interface to CMPH | (bsd3, data, data-structures, library) | 2016-04-30 | MarkWotton |

collections | 101 | 0.0 | Useful standard collections types and related functions. | (bsd3, data-structures, library) | 2011-07-30 | JeanPhilippeBernardy, JohannesWaldmann |

collections-api | 47 | 0.0 | API for collection data structures. | (bsd3, data-structures, library) | 2010-08-25 | JeanPhilippeBernardy |

collections-base-instances | 45 | 0.0 | Useful standard collections types and related functions. | (bsd3, data-structures, library) | 2010-08-25 | JeanPhilippeBernardy |

comfort-array | 220 | 2.0 | Arrays where the index type is a function of the shape type | (bsd3, data-structures, library) | 2019-05-23 | HenningThielemann |

container-classes (deprecated) | 36 | 0.0 | Generic classes for interacting with different container types | (bsd3, data-structures, deprecated, library) | 2010-07-18 | IvanMiljenovic |

containers | 1583 | 2.75 | Assorted concrete container types | (bsd3, data-structures, library) | 2019-06-24 | WrenThornton, dfeuer, WrenRomano, MattRenaud |

ctrie | 235 | 0.0 | Non-blocking concurrent map | (concurrency, data-structures, library, mit) | 2017-09-29 | MichaelSchroeder |

data-clist | 534 | 0.0 | Simple functional ring type. | (bsd3, data-structures, library) | 2019-07-23 | JohnVanEnk, jeremyjh |

data-forest | 203 | 0.0 | A simple multi-way tree data structure. | (apache, data-structures, library) | 2018-09-11 | chris_martin |

data-lens-ixset (deprecated in favor of data-store, tables, lens) | 119 | 0.0 | A Lens for IxSet | (bsd3, comonads, control, data-structures, deprecated, library) | 2012-01-15 | DagOdenhall |

data-r-tree | 231 | 0.0 | R-Tree is a spatial data structure similar to Quadtrees or B-Trees. | (data-structures, library, mit) | 2020-01-22 | SebastianPhilipp |

data-stringmap | 118 | 0.0 | An efficient implementation of maps from strings to arbitrary values | (data-structures, library, mit) | 2014-02-27 | UweSchmidt, SebastianPhilipp |

dawg | 442 | 0.0 | Directed acyclic word graphs | (bsd3, data, data-structures, library) | 2013-07-22 | JakubWaszczuk |

dawg-ord | 324 | 2.0 | Directed acyclic word graphs | (bsd3, data, data-structures, library) | 2017-01-09 | JakubWaszczuk |

dequeue | 322 | 0.0 | A typeclass and an implementation for double-ended queues. | (bsd3, data-structures, library) | 2015-09-03 | HenryBucklow |

diffarray | 84 | 0.0 | DiffArray | (bsd3, data-structures, library) | 2013-06-11 | AndreasAbel, IanLynagh |

disjoint-sets-st | 48 | 0.0 | Imperative ST/IO based disjoint set data structure. | (bsd3, data-structures, library) | 2013-05-29 | PetrPudlak |

distributive | 1172 | 2.0 | Distributive functors -- Dual to Traversable | (bsd3, data-structures, library) | 2019-09-06 | EdwardKmett, EricMertens, ryanglscott |

dph-base | 90 | 0.0 | Data Parallel Haskell common config and debugging functions. | (bsd3, data-structures, library) | 2012-10-25 | BenLippmeier |

dph-examples | 341 | 0.0 | Data Parallel Haskell example programs. | (bsd3, data-structures, program) | 2012-10-25 | BenLippmeier |

dph-lifted-base | 80 | 0.0 | Data Parallel Haskell common definitions used by other dph-lifted packages. | (bsd3, data-structures, library) | 2012-10-25 | BenLippmeier |

dph-lifted-copy | 85 | 0.0 | Data Parallel Haskell lifted array combinators. (deprecated version) | (bsd3, data-structures, library) | 2012-10-25 | BenLippmeier |

dph-lifted-vseg | 163 | 0.0 | Data Parallel Haskell lifted array combinators. | (bsd3, data-structures, library) | 2012-10-25 | BenLippmeier |

dph-par | 78 | 0.0 | (deprecated) | (bsd3, data-structures, library) | 2012-10-25 | BenLippmeier |

dph-prim-interface | 99 | 0.0 | Data Parallel Haskell segmented arrays. (abstract interface) | (bsd3, data-structures, library) | 2012-10-25 | BenLippmeier |

dph-prim-par | 97 | 0.0 | Data Parallel Haskell segmented arrays. (production version) | (bsd3, data-structures, library) | 2012-10-25 | BenLippmeier |

dph-prim-seq | 120 | 0.0 | Data Parallel Haskell segmented arrays. (sequential implementation) | (bsd3, data-structures, library) | 2012-10-25 | BenLippmeier |

dph-seq | 75 | 0.0 | (deprecated) | (bsd3, data-structures, library) | 2012-10-25 | BenLippmeier |

edit-distance-vector | 159 | 0.0 | Calculate edit distances and edit scripts between vectors. | (algorithms, bsd3, data, data-structures, library) | 2016-05-24 | ThomasSutton |

enummapmap | 212 | 0.0 | Map of maps using Enum types as keys | (bsd3, data, data-structures, library) | 2014-02-01 | MatthewWest |

enummapset | 249 | 2.0 | IntMap and IntSet with Enum keys/elements. | (bsd3, data-structures, library) | 2019-07-28 | MichalTerepeta, MikolajKonarski |

ethereum-client-haskell | 117 | 0.0 | A Haskell version of an Ethereum client | (bsd3, data-structures, program) | 2015-01-02 | jamshid |

ethereum-merkle-patricia-db (deprecated in favor of merkle-patricia-db) | 30 | 0.0 | A modified Merkle Patricia DB | (bsd3, data-structures, deprecated, library) | 2015-01-02 | jamshid |

ethereum-rlp | 91 | 0.0 | Ethereum Recursive Length Prefix Encoding | (apache, data-structures, library) | 2017-08-31 | jamshid |

exposed-containers | 48 | 0.0 | A distribution of the 'containers' package, with all modules exposed. | (bsd3, data-structures, library) | 2014-07-15 | vi |

fgl | 1167 | 2.5 | Martin Erwig's Functional Graph Library | (bsd3, data-structures, graphs, library) | 2020-01-28 | IvanMiljenovic, MartinErwig |

fgl-extras-decompositions | 87 | 0.0 | Graph decomposition algorithms | (bsd3, data-structures, graphs, library) | 2015-05-07 | ChristianHoener |

fingertree | 547 | 2.0 | Generic finger-tree structure, with example instances | (bsd3, data-structures, library) | 2018-12-06 | RossPaterson |

fingertree-psqueue | 71 | 0.0 | Implementation of priority search queues as finger trees. | (bsd3, data-structures, library) | 2011-09-28 | CaleGibbard |

fingertree-tf | 39 | 0.0 | Generic finger-tree structure using type families. | (bsd3, data, data-structures, library) | 2014-10-05 | pawel834 |

flux-monoid | 46 | 0.0 | A monoid for tracking changes | (bsd3, data-structures, library) | 2018-06-24 | ChrisPenner |

function-builder | 249 | 0.0 | Create poly variadic functions for monoidal results | (bsd3, data-structures, library) | 2019-02-06 | SvenHeyll |

functor-friends | 29 | 0.0 | Friendly helpers for your recursion schemes. | (bsd3, data-structures, library) | 2017-10-08 | mnoonan |

generic-tree (deprecated in favor of hs-functors) | 114 | 0.0 | Generic Tree data type | (data-structures, deprecated, library) | 2011-12-21 | MatthewFarkasDyck |

gmap | 34 | 0.0 | Composable maps and generic tries. | (bsd3, data-structures, library) | 2008-12-15 | JamieBrandon |

graph-matchings | 28 | 2.0 | An implementation of algorithms for matchings in graphs | (data-structures, graphs, lgpl, library) | 2014-11-27 | eberlm |

graph-utils | 185 | 0.0 | A simple wrapper & quasi quoter for fgl. | (bsd3, data, data-structures, graphs, library) | 2010-06-29 | HiromiIshii |

graph-wrapper | 395 | 0.0 | A wrapper around the standard Data.Graph with a less awkward interface | (bsd3, data-structures, graphs, library) | 2019-01-25 | MaxBolingbroke, SoenkeHahn |

graphite | 598 | 0.0 | Graphs and networks library | (bsd3, data-structures, graphs, library) | 2019-06-08 | alx741, DanielCampoverde |

graphs | 373 | 0.0 | A simple monadic graph library | (algorithms, bsd3, data-structures, graphs, library) | 2018-02-24 | EdwardKmett, ryanglscott |

grids | 183 | 0.0 | (bsd3, data-structures, library) | 2019-03-10 | ChrisPenner | |

gtk-largeTreeStore | 46 | 0.0 | Large TreeStore support for gtk2hs | (data-structures, graphics, lgpl, library) | 2014-10-11 | rakatan |

hCM | 50 | 0.0 | Conceptual modelling support for Haskell | (data-structures, development, library, mit, model, program) | 2017-05-08 | MarekSuchanek |

haggle | 31 | 0.0 | A graph library offering mutable, immutable, and inductive graphs | (bsd3, data-structures, graphs, library) | 2019-12-18 | TristanRavitch |

hamtmap | 51 | 0.0 | A purely functional and persistent hash map | (bsd3, data-structures, library) | 2011-01-20 | KevinWuWon |

hashtables-plus (deprecated) | 75 | 0.0 | Extensions for a "hashtables" library | (data, data-structures, deprecated, library, mit) | 2014-04-29 | NikitaVolkov |

heap | 443 | 0.0 | Heaps in Haskell | (bsd3, data-structures, library) | 2018-04-11 | StephanFriedrichs, eberlm |

heaps | 587 | 2.0 | Asymptotically optimal Brodal/Okasaki heaps. | (bsd3, data-structures, library) | 2019-02-05 | EdwardKmett, EricMertens, ryanglscott |

hetero-map | 93 | 0.0 | Pure heterogeneous maps. | (bsd3, data, data-structures, library) | 2009-01-12 | LukePalmer |

hgal | 88 | 0.0 | library for computation automorphism group and canonical labelling of a graph | (algorithms, data-structures, library) | 2013-06-23 | JeanPhilippeBernardy |

hkd | 44 | 0.0 | "higher-kinded data" | (data-structures, library) | 2019-11-06 | phadej |

hobbits | 164 | 0.0 | A library for canonically representing terms with binding | (bsd3, data-structures, library) | 2017-08-23 | EddyWestbrook |

hw-balancedparens | 784 | 0.0 | Balanced parentheses | (bit, bsd3, data, data-structures, library, succinct-data-structures) | 2020-02-02 | newhoggy, haskellworks, GeorgeWilson |

hw-dsv | 443 | 0.0 | Unbelievably fast streaming DSV file parser | (bsd3, csv, data-structures, library, program, simd, succinct-data-structures, text) | 2020-01-08 | newhoggy, haskellworks, GeorgeWilson |

hw-eliasfano | 225 | 0.0 | Elias-Fano | (bsd3, data, data-structures, library, program, succinct-data-structures) | 2019-10-11 | haskellworks |

hw-excess | 516 | 0.0 | Excess | (bsd3, data, data-structures, library, succinct-data-structures) | 2020-02-02 | haskellworks |

hw-fingertree | 191 | 0.0 | Generic finger-tree structure, with example instances | (bsd3, data-structures, library) | 2019-10-11 | haskellworks |

hw-fingertree-strict | 236 | 0.0 | Generic strict finger-tree structure | (bsd3, data-structures, library) | 2019-10-11 | newhoggy, haskellworks |

hw-json-lens | 70 | 0.0 | Lens for hw-json | (data, data-structures, json, library, mit, succinct-data-structures) | 2019-11-05 | haskellworks |

hw-rankselect | 1305 | 2.0 | Rank-select | (bit, bsd3, data, data-structures, library, program, succinct-data-structures) | 2020-02-02 | newhoggy, haskellworks, GeorgeWilson |

hw-rankselect-base | 363 | 0.0 | Rank-select base | (bit, bsd3, data, data-structures, library, succinct-data-structures) | 2019-12-04 | newhoggy, haskellworks, GeorgeWilson |

hw-xml | 643 | 2.0 | XML parser based on succinct data structures. | (bsd3, data, data-structures, library, program, succinct-data-structures, xml) | 2019-11-26 | haskellworks |

igraph | 77 | 2.0 | Bindings to the igraph C library. | (bsd3, data-structures, graphs, library) | 2013-01-15 | NilsSchweinsberg |

impure-containers | 403 | 0.0 | Mutable containers in Haskell. | (bsd3, data-structures, library) | 2020-02-14 | andrewthad, chessai |

intern | 597 | 2.0 | Efficient hash-consing for arbitrary data types | (bsd3, data, data-structures, library) | 2018-02-24 | EdwardKmett, ryanglscott |

interval | 37 | 0.0 | Intervals with adherences. | (data-structures, gpl, library) | 2016-08-21 | julm |

intset-imperative | 76 | 0.0 | An imperative integer set written in Haskell. | (bsd3, data-structures, library) | 2018-08-03 | hverr |

iterable | 95 | 0.0 | API for hierarchical multilevel collections. | (bsd3, data-structures, library) | 2014-05-19 | MichalGajda |

ixset | 309 | 0.0 | Efficient relational queries on Haskell sets. | (bsd3, data-structures, library) | 2019-12-09 | DavidFox, JeremyShaw |

ixset-typed | 350 | 0.0 | Efficient relational queries on Haskell sets. | (bsd3, data-structures, library) | 2018-10-01 | AndresLoeh |

justified-containers | 231 | 2.0 | Keyed container types with type-checked proofs of key presence. | (bsd2, data-structures, library) | 2018-02-11 | mnoonan |

kan-extensions | 1699 | 2.25 | Kan extensions, Kan lifts, the Yoneda lemma, and (co)density (co)monads | (bsd3, comonads, data-structures, functors, library, monads) | 2018-07-03 | EdwardKmett, EricMertens, ryanglscott |

keys | 1439 | 2.0 | Keyed functors and containers | (bsd3, containers, data-structures, library) | 2020-01-29 | EdwardKmett, EricMertens, ryanglscott |

knead | 212 | 0.0 | Repa-like array processing using LLVM JIT | (bsd3, data-structures, library) | 2020-01-05 | HenningThielemann |

labeled-graph | 20 | 0.0 | Labeled graph structure | (bsd3, data-structures, library) | 2012-11-05 | JeanPhilippeBernardy |

labeled-tree | 41 | 0.0 | Labeled tree structure | (bsd3, data-structures, library) | 2010-08-04 | JeanPhilippeBernardy |

lapack | 320 | 0.0 | Numerical Linear Algebra using LAPACK | (bsd3, data-structures, library) | 2019-08-12 | HenningThielemann |

lca | 306 | 2.0 | O(log n) persistent online lowest common ancestor search without preprocessing | (algorithms, bsd3, data-structures, library) | 2018-02-07 | EdwardKmett, ryanglscott |

libgraph | 380 | 0.0 | Store and manipulate data in a graph. | (algorithms, bsd3, data-structures, library) | 2017-09-03 | faddegon |

linked-list-with-iterator | 56 | 2.0 | A pure linked list which is mutable through iterators. | (bsd3, data-structures, library) | 2016-09-29 | CindyLinz |

list-t | 811 | 2.0 | ListT done right | (control, data-structures, library, mit, streaming) | 2019-09-30 | NikitaVolkov |

list-tries | 678 | 0.0 | Tries and Patricia tries: finite sets and maps for list keys | (bsd3, data, data-structures, library) | 2018-11-20 | MattiNiemenmaa |

listlike-instances (deprecated in favor of ListLike) | 222 | 0.0 | Extra instances of the ListLike class | (bsd3, data-structures, deprecated, generics, library) | 2012-11-13 | JohnLato |

loc | 521 | 2.0 | Types representing line and column positions and ranges in text files. | (apache, data-structures, library) | 2018-11-22 | chris_martin |

localization | 71 | 0.0 | Library for localization (l10n) | (data-structures, gpl, library) | 2018-02-27 | julm |

magma | 167 | 0.0 | magma is an algebraic structure consisting a set together with an binary operation. | (algebra, bsd3, data, data-structures, library, math) | 2015-09-08 | KatsutoshiItoh |

map-exts | 171 | 2.0 | Extensions to Data.Map | (bsd3, data-structures, library, program) | 2018-01-10 | coopercm |

map-syntax | 232 | 2.0 | Syntax sugar for defining maps | (bsd3, data-structures, library) | 2018-04-03 | DougBeardsley |

massiv | 1900 | 2.5 | Massiv (Массив) is an Array Library. | (bsd3, data, data-structures, library, parallelism) | 2020-02-16 | lehins |

massiv-io | 588 | 2.0 | Import/export of Image files into massiv Arrays | (bsd3, data, data-structures, library) | 2020-02-07 | lehins |

massiv-test | 209 | 0.0 | Library that contains generators, properties and tests for Massiv Array Library. | (bsd3, data, data-structures, library, parallelism) | 2020-02-16 | lehins |

meldable-heap | 264 | 0.0 | Asymptotically optimal, Coq-verified meldable heaps, AKA priority queues | (bsd3, data-structures, library) | 2010-05-23 | JimApple |

merkle-patricia-db | 36 | 0.0 | A modified Merkle Patricia DB | (apache, data-structures, library) | 2017-09-01 | jamshid |

min-max-pqueue | 30 | 0.0 | Double-ended priority queues. | (bsd3, data-structures, library) | 2019-05-07 | zliu41 |

miso | 1985 | 2.0 | A tasty Haskell front-end framework | (bsd3, data-structures, library, miso, web) | 2019-11-16 | DavidJohnson |

miso-examples | 49 | 0.0 | A tasty Haskell front-end framework | (bsd3, data-structures, miso, web) | 2019-10-22 | DavidJohnson |

monadic-arrays | 208 | 0.0 | Boxed and unboxed arrays for monad transformers | (bsd3, data-structures, library) | 2016-01-17 | EdwardKmett |

mono-traversable-keys | 51 | 0.0 | Type-classes for interacting with monomorphic containers with a key | (bsd3, containers, data, data-structures, library) | 2019-01-30 | recursion_ninja |

more-containers | 394 | 0.0 | A few more collections | (data-structures, library, mit) | 2019-12-14 | mtth |

multi-containers | 100 | 0.0 | A few multimap variants. | (bsd3, data-structures, library, program) | 2019-04-30 | zliu41 |

multimap | 202 | 0.0 | A multimap. | (data-structures, library, mit) | 2013-06-01 | JulianFleischer |

multiset | 316 | 0.0 | The Data.MultiSet container type | (bsd3, data-structures, library) | 2019-12-15 | TwanVanLaarhoven |

naperian | 46 | 0.0 | Efficient representable functors | (bsd3, data-structures, library) | 2017-08-21 | AaronVargo |

nested-sequence | 55 | 0.0 | List-like data structures with O(log(n)) random access | (bsd3, data, data-structures, library) | 2016-07-09 | BalazsKomuves |

nested-sets | 63 | 0.0 | Nested set model implementation | (data-structures, gpl, library) | 2014-10-11 | rakatan |

nibblestring | 71 | 0.0 | Packed, strict nibble arrays with a list interface (ByteString for nibbles) | (bsd3, data-structures, library) | 2015-01-02 | jamshid |

nonempty-containers | 300 | 2.0 | Non-empty variants of containers data types, with full API | (bsd3, data-structures, library) | 2019-12-03 | jle |

nonemptymap | 170 | 0.0 | A NonEmptyMap Implementation | (bsd3, data-structures, library) | 2018-11-10 | ChristopherDavenport |

nthable | 33 | 0.0 | (bsd3, data-structures, library) | 2009-02-09 | GeorgePollard | |

pangraph | 95 | 0.0 | A set of parsers for graph languages and conversions to graph libaries. | (bsd3, data-structures, graphs, library, parser) | 2018-10-05 | thisiswhereitype |

parameterized-utils | 259 | 0.0 | Classes and data structures for working with data-kind indexed types | (bsd3, data-structures, dependent-types, library) | 2020-02-11 | KevinQuick, RobertDockins |

pedestrian-dag | 27 | 0.0 | A pedestrian implementation of directed acyclic graphs | (bsd3, data, data-structures, library) | 2018-09-19 | JakubWaszczuk |

perfect-hash-generator | 94 | 2.0 | Perfect minimal hashing implementation in native Haskell | (apache, data-structures, embedded, library, program) | 2018-02-18 | kostmo |

perfecthash | 46 | 0.0 | A perfect hashing library for mapping bytestrings to values. | (bsd3, data, data-structures, library) | 2016-05-02 | MarkWotton |

permutation | 278 | 0.0 | A library for permutations and combinations. | (bsd3, data-structures, library, math) | 2015-01-20 | PatrickPerry, spacekitteh |

pomaps | 265 | 0.0 | Maps and sets of partial orders | (data-structures, library, mit) | 2020-01-01 | sgraf812 |

pqueue | 466 | 0.0 | Reliable, persistent, fast priority queues. | (bsd3, data-structures, library) | 2018-09-26 | LouisWasserman, lspitzner |

primitive-containers | 239 | 0.0 | containers backed by arrays | (bsd3, data-structures, library) | 2019-12-11 | andrewthad |

psqueues | 991 | 2.25 | Pure priority search queues | (bsd3, data-structures, library) | 2019-06-07 | JasperVanDerJeugt |

q4c12-twofinger | 118 | 0.0 | Efficient alternating finger trees | (bsd2, data-structures, library) | 2018-01-17 | quasicomputational |

quickset | 15 | 0.0 | Very fast and memory-compact query-only set and map structures | (bsd3, data, data-structures, library) | 2012-11-14 | ErtugrulSoeylemez, esz |

radix-tree | 36 | 0.0 | Radix tree data structive over short byte-strings | (bsd3, data-structures, library) | 2018-08-26 | SergeyVinokurov |

ralist | 72 | 0.0 | Random access list with a list compatible interface. | (bsd3, data-structures, library) | 2018-11-22 | CarterSchonwald, LennartAugustsson |

random-access-list | 68 | 0.0 | Random-access lists in Haskell | (bsd3, data-structures, library) | 2008-06-16 | StephanFriedrichs |

random-tree | 57 | 0.0 | Create random trees | (data-structures, gpl, library) | 2016-02-09 | GregorySchwartz |

randproc | 104 | 0.0 | Data structures and support functions for working with random processes | (bsd3, data-structures, library) | 2011-07-03 | DavidBanas |

rational-list | 32 | 0.0 | finite or repeating lists | (bsd3, data-structures, library) | 2019-10-20 | RossPaterson |

record | 524 | 0.0 | Anonymous records | (control, data-structures, library, mit, records) | 2016-10-24 | NikitaVolkov |

reflection-without-remorse | 146 | 0.0 | Efficient free and operational monads. | (bsd3, data, data-structures, library) | 2014-12-30 | AtzeVanDerPloeg |

relacion | 31 | 0.0 | A relation data structure. | (bsd3, data-structures, library) | 2010-11-15 | LeonelFonseca |

relation | 182 | 0.0 | A data structure representing Relations on Sets. | (bsd3, data-structures, library) | 2019-05-13 | newhoggy, haskellworks |

repa | 1355 | 2.0 | High performance, regular, shape polymorphic parallel arrays. | (bsd3, data-structures, library) | 2018-10-03 | BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell, vmchale |

repa-algorithms | 601 | 0.0 | Algorithms using the Repa array library. | (bsd3, data-structures, library) | 2018-10-03 | BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell, vmchale |

repa-array | 147 | 0.0 | Bulk array representations and operators. | (bsd3, data-structures, library) | 2016-06-18 | BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell |

repa-bytestring | 233 | 0.0 | (deprecated) | (bsd3, data-structures, library) | 2012-04-03 | BasVanDijk, BenLippmeier, TrevorMcDonell |

repa-convert | 191 | 0.0 | Packing and unpacking flat tables. | (bsd3, data-structures, library) | 2017-12-13 | BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell |

repa-devil (deprecated in favor of friday) | 345 | 0.0 | Support for image reading and writing of Repa arrays using in-place FFI calls | (bsd3, data-structures, deprecated, library) | 2015-04-13 | DonaldStewart, RaphaelJavaux, ThomasDuBuisson |

repa-eval | 103 | 0.0 | Low-level parallel operators on bulk random-accessble arrays. | (bsd3, data-structures, library) | 2016-06-18 | BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell |

repa-examples | 694 | 0.0 | Examples using the Repa array library. | (bsd3, data-structures, program) | 2018-10-03 | BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell, vmchale |

repa-fftw | 81 | 0.0 | Perform fft with repa via FFTW | (bsd3, data-structures, library) | 2013-12-21 | AtsuroHoshino |

repa-flow | 157 | 0.0 | Data-parallel data flows. | (bsd3, data-structures, library) | 2016-06-18 | BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell |

repa-io | 600 | 0.0 | Read and write Repa arrays in various formats. | (bsd3, data-structures, library) | 2016-06-18 | BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell, vmchale |

repa-plugin | 53 | 0.0 | Data Flow Fusion GHC Plugin. | (bsd3, data-structures, library) | 2013-07-26 | BasVanDijk, BenLippmeier |

repa-scalar | 220 | 0.0 | Scalar data types and conversions. | (bsd3, data-structures, library) | 2019-05-26 | BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell, vmchale |

repa-series | 32 | 0.0 | Series Expressionss API | (bsd3, data-structures, library) | 2013-07-26 | BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell |

repa-sndfile | 57 | 0.0 | Reading and writing sound files with repa arrays | (bsd3, data-structures, library) | 2013-12-21 | AtsuroHoshino |

repa-stream | 117 | 0.0 | Stream functions not present in the vector library. | (bsd3, data-structures, library) | 2016-06-18 | BasVanDijk, BenLippmeier, PepeIborra, TrevorMcDonell |

representable-functors (deprecated in favor of adjunctions) | 919 | 0.0 | Representable functors | (bsd3, data-structures, deprecated, functors, library, monads) | 2013-10-13 | EdwardKmett, EricMertens, ryanglscott, AaronVargo |

representable-tries | 904 | 0.0 | Tries from representations of polynomial functors | (bsd3, comonads, data-structures, functors, library, monads) | 2013-01-06 | EdwardKmett |

rosezipper | 143 | 0.0 | Generic zipper implementation for Data.Tree | (bsd3, data-structures, library) | 2010-06-06 | EricKow, IavorDiatchki |

row-types | 320 | 0.0 | Open Records and Variants | (data, data-structures, library, mit) | 2020-01-29 | dwincort |

rstream | 41 | 0.0 | stream-fusion framework from vector | (bsd3, data, data-structures, library) | 2018-11-01 | chessai |

selections | 152 | 0.0 | Combinators for operating with selections over an underlying functor | (bsd3, data-structures, functors, library) | 2017-08-12 | ChrisPenner |

semigroups | 2400 | 2.75 | Anything that associates | (algebra, bsd3, data, data-structures, library, math) | 2019-08-27 | EdwardKmett, EricMertens, HerbertValerioRiedel, ryanglscott |

semigroups-actions | 44 | 0.0 | Semigroups actions | (algebra, bsd3, data, data-structures, library, math) | 2012-12-20 | PetrPudlak |

semilattices | 167 | 0.0 | Semilattices | (algebra, bsd3, data, data-structures, library, math) | 2019-10-03 | robrix |

semirings | 641 | 2.0 | two monoids as one, in holy haskimony | (algebra, bsd3, data, data-structures, library, math, mathematics, maths) | 2020-02-18 | chessai |

sequence | 231 | 0.0 | A type class for sequences and various sequence data structures. | (bsd3, data, data-structures, library) | 2015-05-16 | AtzeVanDerPloeg |

signed-multiset | 159 | 0.0 | Multisets with negative membership. | (bsd3, data-structures, library) | 2014-04-23 | StefanHoldermans |

sirkel | 31 | 0.0 | Sirkel, a Chord DHT | (bsd3, concurrency, concurrent, data-structures, database, distributed-computing, library) | 2011-09-16 | MortenLysgaard |

slist | 79 | 2.0 | Sized list | (data-structures, library, list, mpl) | 2019-11-08 | vrom911 |

sparsebit | 117 | 0.0 | Sparse bitmaps for pattern match coverage | (bsd3, data-structures, development, library) | 2009-03-10 | KiYungAhn |

splay | 88 | 2.0 | Generic splay-based sequence representation | (bsd3, data-structures, library) | 2015-07-12 | dramforever |

spool | 45 | 0.0 | Convert between ByteString and Vector.Storable without copying | (bsd3, data-structures, library) | 2011-09-15 | KeeganMcAllister |

stable-heap | 33 | 0.0 | Purely functional stable heaps (fair priority queues) | (data-structures, library, mit) | 2015-05-17 | JakeMcArthur |

statethread | 71 | 0.0 | The ST monad and STRefs | (bsd3, data-structures, library, monads) | 2012-04-07 | HenningThielemann |

static-hash | 66 | 0.0 | Immutable hash | (bsd3, data-structures, library) | 2012-01-06 | KazuYamamoto |

stm-containers | 737 | 2.0 | Containers for STM | (concurrency, data-structures, library, mit, stm) | 2019-04-18 | NikitaVolkov |

stm-hamt | 385 | 0.0 | STM-specialised Hash Array Mapped Trie | (concurrency, data-structures, library, mit, stm) | 2019-06-02 | NikitaVolkov |

subwordgraph | 84 | 0.0 | Subword graph implementation | (bsd3, data-structures, library) | 2016-06-07 | adambak |

subzero | 265 | 0.0 | Helps when going "seed values" -> alternatives and optional -> answers | (data-structures, gpl, library) | 2017-12-10 | codeshot |

suffix-array | 25 | 0.0 | Simple and moderately efficient suffix array implementation | (bsd3, data-structures, library, program) | 2017-01-11 | kadoban |

suffixtree | 163 | 0.0 | Efficient, lazy suffix tree implementation | (bsd3, data, data-structures, library) | 2011-10-17 | BryanOSullivan |

swapper | 20 | 0.0 | Transparently swapping data from in-memory structures to disk | (bsd3, data-structures, library) | 2011-08-29 | RomanSmrz |

symantic-xml | 40 | 0.0 | Library for reading, validating and writing a subset of the XML format. | (data-structures, gpl, library) | 2019-07-14 | julm |

text-containers | 33 | 0.0 | Memory-efficient string-indexed container types. | (data, data-structures, gpl, library) | 2017-10-13 | HerbertValerioRiedel |

text-trie | 63 | 0.0 | An efficient finite map from Text to values, based on bytestring-trie. | (bsd3, data, data-structures, library) | 2019-04-11 | lambdamichael |

thrist | 343 | 0.0 | Type-threaded list | (bsd3, categories, data-structures, library) | 2018-11-15 | GaborGreif |

tie-knot | 58 | 0.0 | "Ties the knot" on a given set of structures that reference each other by keys. | (data-structures, library, recursion) | 2012-12-07 | PetrPudlak |

total-maps | 112 | 0.0 | Dense and sparse total maps. | (containers, data, data-structures, library, mit) | 2015-11-19 | pawel834 |

translatable-intset | 52 | 0.0 | Integer sets with a constant time translate operation. | (data-structures, library, mit) | 2011-02-04 | JannisHarder |

treemap | 108 | 0.0 | A tree of Data.Map. | (data-structures, gpl, library) | 2018-02-14 | julm |

treeseq | 47 | 0.0 | Library for a multi-way tree (rose tree), using Seq (finger tree) for forests | (data-structures, gpl, library) | 2018-02-14 | julm |

tst | 56 | 0.0 | BK-tree implementation | (data-structures, library, public-domain) | 2012-10-29 | FrancescoMazzoli |

type-aligned | 178 | 0.0 | Various type-aligned sequence data structures. | (bsd3, data, data-structures, library) | 2014-12-30 | AtzeVanDerPloeg |

type-indexed-queues | 88 | 0.0 | Queues with verified and unverified versions. | (data-structures, library, mit) | 2017-04-27 | oisdk |

type-level-bst | 40 | 0.0 | type-level binary search trees in haskell | (bsd3, data-structures, dependent-types, library) | 2014-10-28 | Kinokkory |

type-level-sets | 307 | 2.0 | Type-level sets and finite maps (with value-level counterparts) | (bsd3, data-structures, library, type-system) | 2018-11-29 | DominicOrchard |

typerep-map | 124 | 2.5 | Efficient implementation of a dependent map with types as keys | (data, data-structures, library, mit, types) | 2019-03-27 | shersh, vrom911 |

unboxing-vector | 97 | 0.0 | A newtype-friendly variant of unboxed vectors | (bsd3, data, data-structures, library) | 2019-07-01 | aratamizuki |

unordered-graphs | 69 | 0.0 | Graph library using unordered-containers | (data-structures, graphs, library, mit) | 2016-07-19 | IvanMiljenovic |

vector | 2413 | 2.5 | Efficient Arrays | (bsd3, data, data-structures, library) | 2020-02-01 | CarterSchonwald, HerbertValerioRiedel |

vector-clock | 220 | 0.0 | Vector clocks for versioning message flows | (data, data-structures, distributed-computing, gpl, library) | 2013-06-23 | AlexandruScvortov, hansonkd |

vector-endian | 23 | 0.0 | Storable vectors with cpu-independent representation. | (data, data-structures, library, mit) | 2019-04-22 | isd |

vector-functorlazy | 23 | 0.0 | vectors that perform the fmap operation in constant time | (bsd3, data, data-structures, library) | 2013-07-05 | MikeIzbicki |

vector-heterogenous | 208 | 0.0 | A type-safe library for vectors whose elements can be of any type, or any type satisfying some constraints | (bsd3, data, data-structures, library) | 2014-10-17 | MikeIzbicki |

vector-instances | 579 | 0.0 | Orphan Instances for 'Data.Vector' | (bsd3, data, data-structures, library) | 2017-01-08 | EdwardKmett, ryanglscott |

vector-mmap | 130 | 0.0 | Memory map immutable and mutable vectors | (bsd3, data, data-structures, library) | 2017-06-30 | DanielPeebles, fho |

vector-read-instances (deprecated in favor of vector) | 99 | 0.0 | (deprecated) Read instances for 'Data.Vector' | (bsd3, data, data-structures, deprecated, library) | 2011-08-29 | ChristianHoener |

vector-rotcev | 62 | 0.0 | Vectors with O(1) reverse | (bsd3, data, data-structures, library) | 2019-10-27 | Bodigrim |

vector-split | 97 | 0.0 | Combinator library for splitting vectors. | (data, data-structures, library, mit) | 2017-01-31 | fho |

vector-static (deprecated) | 215 | 0.0 | Statically checked sizes on Data.Vector | (bsd3, data, data-structures, deprecated, library) | 2010-11-11 | DanielPeebles, JakeMcArthur |

void | 1088 | 2.25 | A Haskell 98 logically uninhabited data type | (bsd3, data-structures, library) | 2019-05-10 | EdwardKmett, phadej, ryanglscott |

yarr | 378 | 0.0 | Yet another array library | (data-flow, data-structures, graphics, library, mit) | 2016-06-06 | DominicSteinitz, RomanLeventov |