Odamex is a free, cross-platform, modern client-server Doom engine
A cross-platform port of Hexen II game.
Domination is a game that is a bit like the board game Risk
SUPORTS: Hindi, English, Nepali, Tamil, Punjabi, Urdu,Bengali,Marathi.
GemRB is a portable open-source implementation of the Infinity Engine
Multiplatform MIDI File Player for Linux, Windows, and macOS
4X Space Strategy Game
GEDKeeper - opensource and crossplatform genealogy management program
Realism Invictus mod for Civilization IV
Final Fantasy VIII Save Editor
Replay and analyse your Civ VI game
Arianne is an engine to develop multiplayer online games like Stendhal
A MUD client for Android, iOS, Linux, Mac OS X and Windows
Unofficial classic styled Minecraft Launcher
INSTEAD - Simple Text Adventure Interpreter.