Compatibility tool for Steam Play based on Wine and additional components

Metamod plugin that allows protocol 47 and 48 non-steam clients to connect to ReHLDS servers

The Meson Build System

A modern formatting library

Modern ban system for Half-Life 1 based games

AlliedModders C++ Template Library

A small, statically typed scripting language.

Lightweight JSON library written in C.

The hackable text editor

uBlock Origin - An efficient blocker for Chromium and Firefox. Fast and lean.

Trouble in Terrorist Town for Counter-Strike 1.6

Voice transcoder which fixes voice chat between non-steam and steam clients (for ReHLDS)

Enhanced server-side GameDLL for Counter-Strike 1.6 (and CS: Condition Zero), offering new features and fixes.

Enhanced version of the HLDS engine with bug fixes, security patches, and optimizations for stable servers.

AMX Mod X - Half-Life 1 Scripting and Administration

SourceMod - Source Engine Scripting and Administration

Half-Life 1 engine based games