Flat Flutter widgets with instant feedback: no ink ripples, no hover or press highlights that fade, and menus, dialogs and tooltips that appear and close in a single frame.

• KitButton (primary, secondary, ghost, danger) and KitIconButton (.compact for 24px in-row actions)
• KitSegmented toggle tabs
• KitTextField, with an optional focus node, text style and trailing widget, and obscureText for passwords
• KitMenu popup menus and KitSelect, with arrow keys, Enter and Escape
• showKitDialog and KitDialog
• KitTabs underlined tab strip
• KitListRow and KitSelectionList, keyboard-driven lists whose selection jumps into view
• KitCheckbox
• showKitToast, a notice at the bottom of the window
• KitTooltip, KitPanel, KitDivider, KitVerticalDivider, KitProgressBar, KitSpinner
• Pressable, the hover/press/focus primitive the rest are built on

Colours come from KitTheme (KitColors.light and KitColors.dark). KitTheme.material(colors) gives a ThemeData with splashes, highlights and page transitions turned off for anything Material left in your app. It also sets the text font to Inter, which ships with the kit: it stays sharp at small sizes where the platform fallback font can look soft. Use kitTextStyle for the same style outside a Material theme.

MaterialApp(
  theme: KitTheme.material(KitColors.light),
  builder: (context, child) => KitTheme(
    colors: KitColors.light,
    child: Material(color: KitColors.light.background, child: child),
  ),
  home: ...,
);

KitSystemTheme picks the colours for you: on KDE Plasma it reads the colour scheme and accent colour from kdeglobals and updates live when you change them in System Settings; elsewhere it switches between KitColors.light and KitColors.dark with the desktop's dark mode.

KitSystemTheme(
  builder: (context, colors) => MaterialApp(
    theme: KitTheme.material(colors),
    builder: (context, child) =>
        Material(color: colors.background, child: child),
    home: ...,
  ),
);

KdeColors.read() gives the Plasma colours directly (null off Plasma). Neither touches dart:io on the web, so apps using them still build with flutter build web (they just get the light/dark switch there).

Flatkit Aurorae themes give KWin title bars in the same style, light and dark, so windows around a flatkit app look like part of it. They now live in codegod100/kde.

Muse Code, a GUI for Meta's Muse Code built with the kit (projects with an orchestrator thread whose Muse subagents show up as worker threads), now lives in its own repository: nandi-conda/muse-code.

Flatkit Menu, a Plasma 6 application menu in the kit's style that replaces Kickoff and opens with the Meta key, now lives in its own repository: https://gitlab.latha.org/nandi/flatkit-menu

flatkit builds as a conda package with pixi. Installing it puts the Dart package at $CONDA_PREFIX/share/flatkit. In your app's pixi.toml:

[workspace]
channels = ["conda-forge"]
platforms = ["linux-64"]
preview = ["pixi-build"]

[dependencies]
flatkit = { git = "https://github.com/codegod100/flutterkit", branch = "main" }

and in pubspec.yaml:

dependencies:
  flatkit:
    path: .pixi/envs/default/share/flatkit

Run pixi install before flutter pub get; pixi update flatkit picks up new commits.

flutter test
pixi build   # builds the conda package