The operating system and all related software
Scalable, optimized, secure RTOS for multiple hardware architectures
Linux Desktop OS for professionals
Vampire OS is the alternative to Windows and macOS
AO RTOS is small real time OS based on Active Object concurrency model
A cute and educational x86 OS
The smallest and the most powerful operating system.
A basic command line OS made with Cosmos
OS-9/6809 compatible operating system for Tandy CoCo and Dragon
An operating system for those who value security and privacy.
Operating System written in C# and Cosmos
OS bootable from Linux,Windows and others partitions as auxiliary OS
x86-64 os made in crystal
Free cooperative operating system designed for microcontrollers
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
Small real time operating system for AVR and ARM microcontrollers