The operating system and all related software
Winux Operating System by Linuxfx
A BSD-based OS project that aims to provide an experience with MacOS
Scalable, optimized, secure RTOS for multiple hardware architectures
AO RTOS is small real time OS based on Active Object concurrency model
Real-Time Event Frameworks based on active objects & state machines
Vampire OS is the alternative to Windows and macOS
A cute and educational x86 OS
A basic command line OS made with Cosmos
The smallest and the most powerful operating system.
OS-9/6809 compatible operating system for Tandy CoCo and Dragon
Operating System written in C# and Cosmos
An operating system for those who value security and privacy.
OS bootable from Linux,Windows and others partitions as auxiliary OS
Free cooperative operating system designed for microcontrollers
x86-64 os made in crystal
PRTOS is a simple, compact preemptive RTOS for embedded systems
Mulithreading Arduno library
Written in pure ASM and Exode with cloud computing in mind.
An indie, hobby operating system