SNMetamorph/PrimeXT
Modernized toolkit for Xash3D FWGS engine, has enhanced graphics and physics and a lot of new features for mod-makers. Crossplatform, supports Windows and Linux. Based on XashXT and Spirit Of Half-Life. Not production-ready.
GitHub repository with 159 stars and 37 forks.
Language: C++
Topics: xash3d, half-life, hlsdk, physx, opengl, goldsrc, modding, docusaurus, cmake, cross-platform