This is the stress-ng upstream project git repository.
A microkernel-based multiserver operating system written from scratch.
Debian Bullseye with the Mate desktop environment
Free cooperative operating system designed for microcontrollers
Free real-time operating system designed for microcontrollers
RTOS for Secure, Safe and Real-Time Systems
Android, DOS, FirefoxOS, Linux, MacOS and Windows all in one..
An open source OS written in assembly.