Qt6 GitHub Repositories (2026) · Open Source Tools

FluentQt (Fluent-Qt): Fluent / WinUI-style Qt Widgets UI components and Gallery for native C++ desktop apps, with optional PySide6 bindings and WebAssembly.

A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC)

QtPass is a multi-platform GUI for pass, the standard unix password manager.

Keyboard-first presentation editor and presenter for Omarchy

A modern, open-source BitTorrent client focused on privacy, performance, and clarity. No ads, no telemetry.

Window snapping, tiling and scrolling for KDE Plasma: snap into zones you draw, tile automatically, or scroll a niri-style strip, per monitor

git-cola: The highly caffeinated Git GUI

Stellarium is a free GPL software which renders realistic skies in real time with OpenGL. It is available for Linux/Unix, Windows, macOS and Haiku. With Stellarium, you really see what you can see with your eyes, binoculars or a small telescope.

Abraca DAB radio: DAB/DAB+ Software Defined Radio (SDR)

The Open Source Disassembler

edb is a cross-platform AArch32/x86/x86-64 debugger.

A shell for wayland compositors

UI for minecraft bedrock linux

Qucs-S is a circuit simulation program with Qt-based GUI

Native amateur-radio workstation for FlexRadio (FLEX-6000/8000/Aurora) — Linux, macOS, Windows · Qt6 + C++20

VGMTrans - a tool to convert proprietary, sequenced videogame music to industry-standard formats

PokerTH is a poker game written in C++/Qt.

Quick, simple but powerful Cross Platform image editor.

Avogadro libraries provide 3D rendering, visualization, analysis and data processing useful in computational chemistry, molecular modeling, bioinformatics, materials science, and related areas.

High-performance document and image viewer that prioritizes screen space and control.