Odamex is a free, cross-platform, modern client-server Doom engine
Seven Kingdoms: Ancient Adversaries
A cross-platform port of Hexen II game.
C64/Amiga emulator with PAL shader and runAhead
GemRB is a portable open-source implementation of the Infinity Engine
4X Space Strategy Game
Unofficial classic styled Minecraft Launcher
Realism Invictus mod for Civilization IV
Final Fantasy VIII Save Editor
GEDKeeper - opensource and crossplatform genealogy management program
Multiplatform MIDI File Player for Linux, Windows, and macOS
GLScene Engine for Delphi & C++Builder VCL Windows 32/64
A MUD client for Android, iOS, Linux, Mac OS X and Windows
INSTEAD - Simple Text Adventure Interpreter.
A 2D scrolling platform shooter, inspired by Duke Nukem 1