Library for OLED-displays runs on AVR

extremly light uart library for AVR 8 bit microcontrollers

usbasp improved firmware

ATtiny13 Software UART library.

Kevin's RTOS for AVR microcontrollers

I2C Library for the ATmegaXX microcontrollers.

HID GamePad device based on AVR ATMega8 and V-USB framework

C headers for AVR microcontrollers. Arduino must die!

Original PS1 controller interface for AVR microcontrollers

Interrupt driven UART implementation for AVR Microcontrollers

APOS (AVR Project Open Source) - Creates an AVR project template for linux systems

SMS guard firmware based on sim900d and AVR atmega32

Line Follower Robot Project AVR-C

A blazing-fast AVR simulator.

Tools for development of AVR microcontrollers.

Two in one: smartwatch with Bluetooth notifications + speedometr.

Bootloader for tinyAVR 0-, 1- and 2-series, and megaAVR 0-series, supporting signed and encrypted firmware loaded from external I2C memory.

A simple program that will convert any CSV data you want to burn into a avr's EEPROM (or others) to a IHEX-formatted file that avrdude will understand.

Morey_os is an extremely light weight operating system for embedded controllers. In simple words, Morey_os is designed as a multi-tasking version of popular Arduino programming style, with one setup function and multiple independently running loop functions named as tasks. A Full version OS fits in minimum of 4K ROM and 256 bytes of RAM.

Libraries for Arduino Uno (ATMega328P)