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.

Xournal++ is a handwriting notetaking software with PDF annotation support. Written in C++ with GTK3, supporting Linux (e.g. Ubuntu, Debian, Arch, SUSE), macOS and Windows 10. Supports pen input from devices such as Wacom Tablets.

• UpdatedDec 17, 2025
• C++

ElKowars wacky widgets

• UpdatedJun 30, 2025
• Rust

Simple animated GIF screen recorder with an easy to use interface

• UpdatedSep 24, 2025
• Vala

MacOS like theme for all gtk based desktops

• UpdatedNov 9, 2025
• CSS

A tiling terminal emulator for Linux using GTK+ 3

• UpdatedDec 9, 2025
• D

Small python-gtk application, which helps the user to merge or split PDF documents and rotate, crop and rearrange their pages using an interactive and intuitive graphical interface.

• UpdatedDec 15, 2025
• Python

Feature-rich wifi hotspot creator for Linux which provides both GUI and command-line interface. It is also able to create a hotspot using the same wifi card which is connected to an AP already ( Similar to Windows 10).

• UpdatedJul 15, 2025
• C

AutoKey, a desktop automation utility for Linux and X11.

• UpdatedMar 2, 2025
• Python

Scaffolding CLI for Astal+Gnim

• UpdatedDec 14, 2025
• TypeScript

Document viewer

• UpdatedDec 13, 2025
• C

All your games in one place

• UpdatedApr 13, 2025
• Vala

Graphical client for the Soulseek peer-to-peer network

• UpdatedDec 17, 2025
• Python

CPU-X is a Free software that gathers information on CPU, motherboard and more

• UpdatedDec 1, 2025
• C

Personal document manager (Linux/Windows) -- Moved to Gnome's Gitlab

• UpdatedJun 13, 2018
• Python

A Bar/Panel for Hyprland with extensive customizability.

• UpdatedNov 7, 2025
• TypeScript

The theme from libadwaita ported to GTK-3

• UpdatedDec 3, 2025
• SCSS

Light and dark theme with neon vibes for GNOME

• UpdatedDec 10, 2025
• CSS

User-mode driver and GTK3 based GUI for Steam Controller

• UpdatedOct 3, 2023
• Python

A hackable shell for Hyprland, powered by Fabric.

• UpdatedDec 1, 2025
• Python

GTK3 & python based GUI for Syncthing

• UpdatedApr 24, 2023
• Python