A Posterious (RIP)-inspired email-based blogging platform. https://github.com/jjg/preposterous
A python script to generate printable 3d models from raw 23andme genome data. https://github.com/jjg/3dna
A REST-like interface for the Arduino to make working with hardware more natural for web developers. https://github.com/jjg/RESTduino
A Prusa Mendel Reprap 3d printer that started as a Makergear kit and has been constantly evolving over the last 2.5 years.