The FastLED library for colored LED animation on Arduino
Lightweight generic ring buffer manager library
Library designed for the Arduino Uno platform and AVRPascal editor
A C++ library for AVR and NodeMCU
MIDI for Arduino
Ada cross compiler and libraries for AVR µCs
Vanyamba Electronics library of C++ Classes for AVR.
Lightweight libraries for 8-bit AVR family of micro controllers
Ethernet stack implementation (currently based on the ENC28J60)