| Ui | NanoUI.Monad, NanoUI.Testing, NanoUI |
| UiCursorDefault | NanoUI.Input, NanoUI.Testing |
| UiCursorEwResize | NanoUI.Input, NanoUI.Testing |
| UiCursorGrab | NanoUI.Input, NanoUI.Testing |
| UiCursorGrabbing | NanoUI.Input, NanoUI.Testing |
| UiCursorKind | NanoUI.Input, NanoUI.Testing |
| uiCursorKind | NanoUI.Testing |
| UiCursorNeswResize | NanoUI.Input, NanoUI.Testing |
| UiCursorNsResize | NanoUI.Input, NanoUI.Testing |
| UiCursorNwseResize | NanoUI.Input, NanoUI.Testing |
| UiCursorPointer | NanoUI.Input, NanoUI.Testing |
| UiCursorText | NanoUI.Input, NanoUI.Testing |
| uiFontMetrics | NanoUI.Monad, NanoUI |
| uiIO | NanoUI.Monad, NanoUI.Testing, NanoUI |
| uiMousePos | NanoUI.Monad, NanoUI |
| uiTheme | NanoUI.Monad, NanoUI |
| uiTime | NanoUI.Monad |
| underline | NanoUI |
| Undo | NanoUI.Widgets.TextCommand, NanoUI.Widgets.TextEditor, NanoUI |
| unImageId | NanoUI |
| unlessM | NanoUI.Monad, NanoUI |
| updateWindowDrag | NanoUI.Frame.Window |
| updateWindowResize | NanoUI.Frame.Window |
| useContextMenu | NanoUI |
| useDrag2D | NanoUI.Widgets.Custom, NanoUI |
| useDrop | NanoUI |
| useEnum | NanoUI |
| useFlag | NanoUI |
| useFloat | NanoUI |
| useInt | NanoUI |
| useState | NanoUI |
| useTableSort | NanoUI |
| useText | NanoUI |
| useToggle | NanoUI |
| useWheelDelta | NanoUI.Widgets.Custom, NanoUI |