15
Valve
19
Freeware
A tool, shared between all owners of Valve Source games and locked to a particular engine.
325
Valve
1,283
Commercial
A First Person Shooter that delivers a new way to play online games.
1
Valve Corporation
3
Freeware
Insurgency is one of the best HL 2 mods available.
Trend
2
Freeware
MODX software powers hundreds of thousands of websites.
Team GoldenEye: Source
14
Freeware
GoldenEye: Source is a total conversion modification of Half-Life 2.
225
Facepunch Studios
26,874
Commercial
Garry's Mod is a Sandbox Game based around the idea of building.
81
Nobox
4
Freeware
Now Availaible to download!3 Light source, environmental mapping,Based on OpenGL 1.2.1 engine. You c....
72
Jussi Lind
20
Open source
It is an open source traditional top-down OpenGL car racing game.
1
Erocodeurs
6
Freeware
Perfect Dark: Source is a mod for the famous HalfLife 2 game.
4
Fortress Forever Team
27
Freeware
Fortress Forever is a Team Fortress mod for Half-life 2's Source Engine.
12
Lucas Phillips
250
Open source
It is an open source full-fledged Minecraft mod, texture pack and save manager.
1
epochmod
13
Open source
Arma2 DayZ: Epoch is an unofficial open source client and server mod.
Alexander Ellingsen
135
Open source
A standalone open source Fallout mod manager with some new features.
