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

Compatibility tool for Steam Play based on Wine and additional components

A modern formatting library

The Meson Build System

Half-Life 1 engine based games

Lightweight JSON library written in C.

SourceMod - Source Engine Scripting and Administration

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

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

AMX Mod X - Half-Life 1 Scripting and Administration

A small, statically typed scripting language.

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

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

AlliedModders C++ Template Library

Trouble in Terrorist Town for Counter-Strike 1.6

Modern ban system for Half-Life 1 based games