Arduino libraries and code
OSI Layer 2 driver for nRF24L01 on Arduino & Raspberry Pi/Linux
An Arduino NeoPixel support library
Single sided linked list (kind of lib with test-code, C, C++ and java)
A modern C++ GUI library
Library for working with 3D rotations in C++
A C++ framework that uses inhibition trees for behaviour control.
A C++ framework that implements generalised finite state machines.
Library of generic, k-d tree multi-dimensional containers