A web-based interface for CNC milling controller running Grbl, Marlin,
A small Arduino library for GSM modules, that just works
Arduino and PlatformIO IDE compatible TFT library
An open source E-ink smartwatch
Open source framework simplifying the creation of C++ applications
MIDI for Arduino
A Java VM for ARDUINO and other micros using the leJOS runtime.
A Windows app to control Arduino devices via serial port or ethernet
A serial robot kinematics library