atmel-avr topic

Open-source keyboard firmware for Atmel AVR and Arm USB families

qmk

Header-only library for bare metal hardware programming in C with a pleasant generic style.

duparq

Embedded Systems in D - Port of avr-libc headers and most avr-gcc processor defines

WebFreak001

UPDI programmer software for Arduino (targets Tiny AVR-0/1/2, Mega AVR-0 and AVR-DA/DB MCUs)

ElTangas

Atmel AVR: development platform for PlatformIO

platformio

EX-CommandStation firmware from DCC-EX. Includes support for WiFi and a standalone WiThrottle server. A complete re-write of the original DCC++.

DCC-EX

An Arduino Mega Operating System With TFT TouchScreen Support, pretty GUI and other mumbo-jumbo I may come up with

GeoSn0w

TinyCore boards / attiny 1 series Core, Arduino IDE Core, targets ATtiny 417 / 814 / 816 / 817 / 1614 / 1616 / 1617 / 3217 and similar MCUs

xukangmin

QMK based 5x12 ortholinear keyboard

neilkatahira

A debug interface for AVR-based embedded systems development on GNU/Linux.

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