Valve includes compiling tools with the Source SDK-vbsp, vvis, and vrad.

Zoner's Half-Life Tools, alternatives to the GoldSrc compiling tools.

This includes computer-aided design (CAD), computer-aided engineering (CAE), computer language editing and compiling tools, integrated development environments, and application programmer interfaces.

The Haskell Platform aims at unifying Haskell Developing tools into a single package, consisting of a compiler, compiling tools and many standard libraries, therefore making it easier to develop and deploy full-featured haskell-driven applications.