The local hackerspace
A downloadable book about GNU/Linux software programming.
Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. It's intended for artists, designers, hobbyists, and anyone interested in creating interactive objects or environments.
BWToolkit is an Interface Builder plugin that contains commonly used UI elements and other objects designed to simplify Mac development.
How to build a charge controller for solar and wind power systems.
A Qmail patch to check whether the recipient exists in the SMTP acceptance phase and reject if necessary.