AO RTOS is small real time OS based on Active Object concurrency model
A cute and educational x86 OS
OS-9/6809 compatible operating system for Tandy CoCo and Dragon
OS bootable from Linux,Windows and others partitions as auxiliary OS
Mulithreading Arduno library
Written in pure ASM and Exode with cloud computing in mind.
An indie, hobby operating system
Neptune is a kernel and operating system for x86 PCs.
A advanced graphical operating system.
An open source OS written in assembly.
Embedded Real-Time Operating System (RTOS)
A new OS
Hard Real-Time OS compliant to the Osek/Vdx standard.
Mayax is a 32-bit hobby OS with windows style GUI.
Operating System in 512bytes.
A simple os written in ASM