Community effort to maintain and improve Jedi Academy (SP & MP)
Azuriom is a complete open-source web solution for game servers
The Shiptest Codebase
Open-source OpenGL/SDL2 reimplementation of Sid Meier's Alpha Centauri
All of Minecraft, EASILY get Minecraft resources
Skytils is a Hypixel Skyblock mod
Botcraft is a cross-platform C++ library to create bots
A terminal based Pokemon like game
TGMC: TerraGov Marine Corps, a SS13 mod
A downloadable game for Windows, macOS, and Linux
Accuracy-focused XNA4 reimplementation for open platforms
Emulator of the 8-bit computers Sharp MZ-800 / MZ-700 / MZ-1500
An Open Source DOS emulator to run old DOS games
Soft-body physics simulator
A fully functional Minecraft Bedrock Edition launcher
A strategy game with a high fantasy theme
Arianne is an engine to develop multiplayer online games like Stendhal
GUI of chess
FlightGear Flight Simulator: free open-source multiplatform flight sim
RTS game with the theme of Strategy by Design
A planetarium software that shows a 3D simulation of the night sky