GitHub - hwstar/freertos-avr: Freertos fork from felipu. Added Makefiles to build traditionally because I don't care for Eclipse. Tweaked to run on an Arduino Mega board.
GitHub - kororos/AvrX: A repository to host Larry Barello's wonderful AvrX RTOS for the Atmel AVR family of micros
GitHub - gustinmi/AVRtoS: AVR - Arduino Realtime operating system. Realtime scheduler is written in assembler. Optimized for performance, with included keyboard and LCD display driver.
![FreeRTOS - small footprint, Atmel AVR (MegaAVR) RTOS GCC Port. This page describes the FreeRTOS demo source code project for the Atmel MegaAVR microcontroller. FreeRTOS - small footprint, Atmel AVR (MegaAVR) RTOS GCC Port. This page describes the FreeRTOS demo source code project for the Atmel MegaAVR microcontroller.](https://www.freertos.org/fr-content-src/uploads/2018/07/STK500.jpg)