1. XlA minimalist, general-purpose programming language based on meta-programming and parse tree rewrites
2. Tao3dThe Art of 3D, a new language for dynamic document description of real-time 3D animations
3. BuildA simple makefile-based build system that I split from ELFE / XL
4. recorderA lock-free real-time flight recorder for your C or C++ programs
5. elfeExtensible Language for Everyday