JK's Save Manager Switch Edition
RenderDoc is a stand-alone graphics debugging tool
Custom launcher to manage multiple installations of Minecraft at once
Open-source engine for Heroes of Might and Magic III
3D Procedural Game Engine Using OpenGL
Cross-platform, open source, and super fast MUD client with scripting
2D game development library for Ruby and C++
A multi core friendly rigid body physics and collision detection lib
Drogon: A C++14/17/20 based HTTP web application framework
A real-time upscaling software that can upscale any application
Enigma is a puzzle game
GemRB is a portable open-source implementation of the Infinity Engine
Good-looking and addictive OpenSource games
4X Space Strategy Game
A 2D scrolling platform shooter, inspired by Duke Nukem 1