GTK (formerly GIMP ToolKit and GTK+) is a free software cross-platform widget toolkit for creating graphical user interfaces. It is licensed under the terms of the GNU Lesser General Public License, allowing both free and proprietary software to use it. It is one of the most popular toolkits for the Wayland and X11 windowing systems.
Modern XMPP ("Jabber") Chat Client using GTK/Vala
Browse the Fediverse
A modern compatibility tools manager for Linux.
Library that extends GTK with common widgets and utilities
A light weight music player written in GTK4, with a fluent adaptive user interface.
A beautiful markdown note-taking app for GNOME (forked from Paper)
Log each task's time in a simple inobtrusive way
Home Assistant companion app for Linux
A quick app launcher and window switcher for Pantheon and elementary OS
Native Linux word-guessing game built in Vala and Gtk for elementary OS
Calculator app designed for elementary OS
Store your palettes in an easy way, and edit them if needed.
Edit PDF document metadata
Onboarding app for new users
Created by Spencer Kimball, Peter Mattis
Released April 14, 1998