source-engine topic
fortressforever
A Team Fortress mod on the Source Engine
cso2-launcher
A custom launcher for CSO2
VMF2OBJ
Convert source-engine VMF files into OBJ files with materials (including brushes, displacements, entities, and models)
lawena-recording-tool
Simple movie recording tool for Source Engine games
SourceBans
Advanced admin and ban management for the Source game engine
Fragsurf-2
Fragsurf is an actively developed standalone game based on HL2 surf and bhop movement mechanics.
GMod-SDK
A SDK with a built-in cheat for Garry's Mod.
HammerPatch
Modification of Source Valve Hammer Editor to fix some issues. Fixes brush vertex precision loss.
bsp_tool
Python library for analysing .bsp files