A good looking terminal emulator which mimics the old cathode display...

Free (as in freedom) open source clone of the Age of Empires II engine 🚀

Qt binding for Go (Golang) with support for Windows / macOS / Linux / FreeBSD / Android / iOS / Sailfish OS / Raspberry Pi / AsteroidOS / Ubuntu Touch / JavaScript / WebAssembly

A flexible level editor

LiteIDE is a simple, open source, cross-platform Go IDE.

Powerful yet simple to use screenshot software

A keyboard-driven, vim-like browser based on PyQt5.

Official repository for Spyder - The Scientific Python Development Environment

Universal Radio Hacker: Investigate Wireless Protocols Like A Boss

A library for building cross-platform native desktop applications with Node.js and CSS 🚀. For React NodeGui, visit: https://github.com/nodegui/react-nodegui ⚛️

MuseScore is an open source and free music notation software. For support, contribution, bug reports, visit MuseScore.org. Fork and make pull requests!

Build performant, native and cross-platform desktop applications with native React + powerful CSS like styling.🚀

Launched in 2018 Actively developed and supported. Supports tkinter, Qt, WxPython, Remi (in browser). Create custom layout GUI's simply. Python 2.7 & 3 Support. 200+ Demo programs & Cookbook for rapid start. Extensive documentation. Examples using Machine Learning(GUI, OpenCV Integration, Chatterbot), Floating Desktop Widgets, Matplotlib + Pyplot integration, add GUI to command line scripts, PDF & Image Viewer. For both beginning and advanced programmers .

Free open-source non-linear video editor

Interactive, thoroughly customizable maps in native Android, iOS, macOS, Node.js, and Qt applications, powered by vector tiles and OpenGL

qTox is a chat, voice, video, and file transfer IM client using the encrypted peer-to-peer Tox protocol.

A cross-platform socks5/http/ss/ssr/vmess/trojan/snell GUI client based on Shadowsocks-qt5.

Android real-time display control software

🍊 Clementine Music Player

Build GUI for your Python program with JavaScript, HTML, and CSS

LibreCAD is a cross-platform 2D CAD program written in C++11 using the Qt framework. It can read DXF and DWG files and can write DXF, PDF and SVG files. The user interface is highly customizable, and has dozens of translations.

CAD from a parallel universe

Mixxx is Free DJ software that gives you everything you need to perform live mixes.

Open-source, cross platform Qt based IDE for reverse-engineering Android application packages.

AndroidAuto headunit emulator

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

A modern open source rendering engine for animation and visual effects

Software defined radio receiver powered by GNU Radio and Qt.

Cross-platform ground control station for drones (Android, iOS, Mac OS, Linux, Windows)

A dark style sheet for QtWidgets application