KeePassXC is a cross-platform community-driven port of the Windows application “Keepass Password Safe”.

This is the official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.

Kodi is an award-winning free and open source home theater/media center software and entertainment hub for digital media. With its beautiful interface and powerful skinning engine, it's available for Android, BSD, Linux, macOS, iOS, tvOS and Windows.

A fast and easy-to-use status bar

An open source re-implementation of RollerCoaster Tycoon 2 🎢

Qt based cross-platform GUI proxy configuration manager (backend: sing-box)

Dear PyGui: A fast and powerful Graphical User Interface Toolkit for Python with minimal dependencies

Vulkan-based implementation of D3D8, 9, 10 and 11 for Linux / Wine

Drogon: A C++14/17/20 based HTTP web application framework running on Linux/macOS/Unix/Windows

PS4 emulator for Windows,Linux,MacOS

openFrameworks is a community-developed cross platform toolkit for creative coding in C++.

TrinityCore Open Source MMO Framework (master = 11.0.5.57388, 3.3.5 = 3.3.5a.12340, cata classic = 4.4.1.57294)

A cross-platform, reimplementation of Notepad++

Record and Replay Framework

Anbox is a container-based approach to boot a full Android system on a regular GNU/Linux system

Linux System Optimizer and Monitoring - https://oguzhaninan.github.io/Stacer-Web

Free open-source non-linear video editor

Multipass orchestrates virtual Ubuntu instances

Light-weight system monitor for X, Wayland (sort of), and other things, too

OpenSCAD - The Programmers Solid 3D CAD Modeller