goldsrc-engine topic
MetaAudio
GoldSrc engine plugin for 3D sound
goldsrc-monitor
Simple utility for mapping/scripting/speedrunning or researching games based on GoldSrc/Xash3D FWGS engine (such as CS 1.6, HL, HL:OF, HL:BS, and other HL-mods)
SDHLT
Map compile tools for the Half-Life engine
OGS
An open-source GoldSrc engine clone (Clean authentic reimplementation without using reverse-engineered code)
ProKreedz
One massive plugin that includes many separate plugins for the kreedz mod.
docker-sourceservers
Source / Goldsource dedicated server images built through use of steamcmd. 🐳
newbspguy
Goldsrc map viewer/editor without decompiling. Also can view .MDL models.