Extra Credit

GTK

Platforms and SDKs Cross-platform and desktop
Official docs Learn GTK on your Mac

Official docs outline

8 sections
  1. GTK 4 reference

    API reference landing page for classes and functions.

  2. Getting started

    First GTK application with GtkApplication and window.

  3. Building GTK applications

    Compiling and linking with pkg-config.

  4. GtkWidget

    Widget base class, sizing, events and styling.

  5. GtkApplication

    Application lifecycle and actions.

  6. GtkBuilder

    Declarative UI definition files.

  7. GObject

    Type system, signals, properties and reference counting.

  8. GIO

    Files, async IO, settings and D-Bus.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.

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