Gameserver Installer/Startscript for HL1 and HL2 Games
Open source, moddable game engine for the "Polygon Love 2" game
A turn-based strategy game in the spirit of Tactics Ogre
Game engine for Shining-Force style tactical RPGs
Java Client + JS/Canvas Server-Side System, with maintained Objects
C-Lesh is a game programming language for 2D games.
A Wargame
2D Game Engine for the Java Programming Language
UtiliGame is a light-weight game engine written in Java.
Nexuiz-Xonotic Client
An open source skateboard games engine written in C# and .NET.
A simple network chess game
An Action Adventure Space Physics Game
WIP Game engine
Pear3DEngine is a modern and modular 3D development framework
Access to Irrlicht Engine SDK from assembler, C, Python, Basic, Pascal
An extensible development framework for roleplay games.
Javascript adventure game engine
simulations with Lagrangian method,both symbolic and by numeric deriv
Fast Minecraft Classic Server
Open Source Virtual World and MMOG Development Platform
Game Communications Engine