Civisim
A WebGL-based 3D city simulator. Play it now at rpdillon.net/civisim/.
Pifeed
Pifeed is a single-file microblogging server and RSS aggregator built with Python, Bottle, and SQLite. It provides chronological timelines, threaded discussions, external feed syndication, and integrated media handling.
Lua Ray Tracer
Implementing "Ray Tracing in One Weekend" in Lua