G

goldsrc

A mod manager for Half-Life and Counter-Strike 1.6 that copies addons from a mods folder into your game's addon directory.

RobloxSrc is an attempt to recreate / port GoldSrc into Roblox, the main focus is on the GoldSrc character controller but will be looking into expanding into other engine features.

RE of build 722.

An open-source GoldSrc engine clone (Clean authentic reimplementation without using reverse-engineered code)

GPL-licensed HLSDK (reimplemented using the original Quake engine and manually rewritten sources)