A multiboot cd with six mini Linux Systems
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
Real-Time Embedded Operating System
32 bit VIRGO Linux Kernel
An operating system for tenputer
32 bit low level Operating System
What you see, is what you get! GNU/Linux Arch Based Distro
A Simple 'IDE'A for Linux Kernel Developers
An open source OS written in assembly.
Small 32-bits operating system
Mayax is a 32-bit hobby OS with windows style GUI.
A simple project for creating hosting server-a-like live distribution
A 32-bit operating system based around social networking.