| Target | Sifflet.UI.LittleGtk, Sifflet.UI |
| tbBottom | Sifflet.Data.TreeLayout |
| tbBoxBB | Sifflet.Data.TreeLayout |
| tbBoxCenter | Sifflet.Data.TreeLayout |
| tbCenter | Sifflet.Data.TreeLayout |
| tbHeight | Sifflet.Data.TreeLayout |
| tbSetWidth | Sifflet.Data.TreeLayout |
| tbText | Sifflet.Data.TreeLayout |
| tbTextBB | Sifflet.Data.TreeLayout |
| tbTextCenter | Sifflet.Data.TreeLayout |
| tbWidth | Sifflet.Data.TreeLayout |
| TCCallFrame | Sifflet.UI.Types, Sifflet.UI |
| TCEditFrame | Sifflet.UI.Types, Sifflet.UI |
| TCExprNode | Sifflet.UI.Types, Sifflet.UI |
| Tcross | Sifflet.UI.LittleGtk, Sifflet.UI |
| TCWorkspace | Sifflet.UI.Types, Sifflet.UI |
| testFromXml | Sifflet.Language.SiffML |
| TextBox | |
| 1 (Type/Class) | Sifflet.Data.TreeLayout |
| 2 (Data Constructor) | Sifflet.Data.TreeLayout |
| textMargin | Sifflet.Data.TreeLayout |
| textXadvance | Sifflet.Data.TreeLayout |
| textXbearing | Sifflet.Data.TreeLayout |
| textYadvance | Sifflet.Data.TreeLayout |
| textYbearing | Sifflet.Data.TreeLayout |
| toDialog | Sifflet.UI.LittleGtk, Sifflet.UI |
| toInexact | Data.Number.Sifflet |
| Tool | |
| 1 (Type/Class) | Sifflet.UI.Types, Sifflet.UI |
| 2 (Data Constructor) | Sifflet.UI.Types, Sifflet.UI |
| toolActivated | Sifflet.UI.Types, Sifflet.UI |
| ToolArg | Sifflet.UI.Tool, Sifflet.UI |
| Toolbox | |
| 1 (Type/Class) | Sifflet.UI.Types, Sifflet.UI |
| 2 (Data Constructor) | Sifflet.UI.Types, Sifflet.UI |
| toolboxFrame | Sifflet.UI.Types, Sifflet.UI |
| toolboxVBox | Sifflet.UI.Types, Sifflet.UI |
| ToolConnect | Sifflet.UI.Tool, Sifflet.UI |
| ToolContext | Sifflet.UI.Types, Sifflet.UI |
| ToolDelete | Sifflet.UI.Tool, Sifflet.UI |
| ToolDisconnect | Sifflet.UI.Tool, Sifflet.UI |
| ToolFunction | Sifflet.UI.Tool, Sifflet.UI |
| ToolId | Sifflet.UI.Tool, Sifflet.UI |
| ToolIf | Sifflet.UI.Tool, Sifflet.UI |
| toolkitName | Sifflet.UI.Types, Sifflet.UI |
| toolkitRows | Sifflet.UI.Types, Sifflet.UI |
| toolkitWidth | Sifflet.UI.Types, Sifflet.UI |
| ToolLiteral | Sifflet.UI.Tool, Sifflet.UI |
| ToolMove | Sifflet.UI.Tool, Sifflet.UI |
| toolName | Sifflet.UI.Types, Sifflet.UI |
| ToolOp | Sifflet.UI.Types, Sifflet.UI |
| toolOp | Sifflet.UI.Types, Sifflet.UI |
| TopLeftArrow | Sifflet.UI.LittleGtk, Sifflet.UI |
| TopLeftCorner | Sifflet.UI.LittleGtk, Sifflet.UI |
| TopRightCorner | Sifflet.UI.LittleGtk, Sifflet.UI |
| TopSide | Sifflet.UI.LittleGtk, Sifflet.UI |
| TopTee | Sifflet.UI.LittleGtk, Sifflet.UI |
| toToolOpVW | Sifflet.UI.Types, Sifflet.UI |
| ToXml | Sifflet.Language.SiffML |
| toXml | Sifflet.Language.SiffML |
| Translate | Sifflet.Data.Geometry |
| translate | Sifflet.Data.Geometry |
| translateFrame | Sifflet.UI.Frame, Sifflet.UI |
| translateNode | Sifflet.Data.WGraph |
| translateNodes | Sifflet.Data.WGraph |
| translateTree | Sifflet.Data.WGraph |
| Tree | Sifflet.Data.Tree |
| tree | Sifflet.Data.Tree |
| treeDepth | Sifflet.Data.Tree |
| treeGNodes | Sifflet.Data.TreeLayout |
| treeGraphNodesTree | Sifflet.Data.TreeGraph |
| TreeLayout | Sifflet.Data.TreeLayout |
| treeLayout | Sifflet.Data.TreeLayout |
| treeLayoutPaddedSize | Sifflet.Data.TreeLayout |
| treeLayoutSize | Sifflet.Data.TreeLayout |
| treeLayoutToGraph | Sifflet.Data.TreeGraph |
| treeLayoutWiden | Sifflet.Data.TreeLayout |
| treeLayoutWidth | Sifflet.Data.TreeLayout |
| treeRender | Sifflet.Rendering.DrawTreeGraph |
| treeSize | Sifflet.Data.Tree |
| treeSizes | Sifflet.Data.TreeLayout |
| treeToExpr | Sifflet.Language.Expr |
| treeWriteImageFile | Sifflet.Rendering.DrawTreeGraph |
| Trek | Sifflet.UI.LittleGtk, Sifflet.UI |
| typeCheck | Sifflet.Language.Expr |
| typedValue | Sifflet.Language.Parser |
| TypeEnv | Sifflet.Language.Expr |
| typeMatch | Sifflet.Language.Expr |