RobBX - is a powerfull DIY Arduino constructor based from IQBX
Generates C++ code from Arduino .dbc files
A Java VM for ARDUINO and other micros using the leJOS runtime.
Linux for Arduino and Makers developers
You Only Meter Once - The open hardware smart metering system
Toolkit for the easy prototyping of hybrid games for Tabletop Devices
AutoFlight is a powerful, open source AR.Drone control program.