Linux Kernel Manager and Activity Monitor
Free operating system for Atari computers, and more.
Winux Operating System by Linuxfx
Market leading real time kernel for 40+ microcontroller architectures
Memory manager for Free Pascal
Real-Time Event Frameworks based on active objects & state machines
A cute and educational x86 OS
A microkernel-based multiserver operating system written from scratch.
The smallest and the most powerful operating system.
Cloud-native way to provide elastic Jupyter Notebooks on Kubernetes
Free cooperative operating system designed for microcontrollers
Free real-time operating system designed for microcontrollers
RTOS for Secure, Safe and Real-Time Systems
Open-source RTOS and Embedded Systems Toolkit for C++ and C
HackSys Extreme Vulnerable Driver (HEVD) - Windows & Linux
My FreeDOS Floppy Disk Distribution
A Debug style tool for OS Free systems
ext2/3/4 library for microcontrollers
Android, DOS, FirefoxOS, Linux, MacOS and Windows all in one..
SuperWikia: The Runtime/Realtime Environment for Codesmiths