sourcesdk-minimalA compact and Garry's Mod compatible SourceSDK (don't use in other Source engine games).
gm luaerrorA module for Garry's Mod that adds hooks for obtaining errors that happen on the client and server (if activated on server, it also pushes errors from clients).
Half-Life-ResurgenceRecreation & expansion of NPCs, entities, and weapons from the Half-Life series into Garry's Mod!
BadCoderzFind unoptimized gmod addons and KILL the devs who made them
gmod luasocketModules for Garry's Mod that add bindings for OS sockets through luasocket.
garrysmod commonA repository of common bits for compilation projects based on Garry's Mod.
Autorun-rsUndetectable scripthook with lua execution and filesteal. Modern replacement for gluasteal and most lua executors