Haiway Edge Computing OS
Real time preemptive embedded multi-thread kernel
A Text Editor - Modeled Off Editor Within ISPF / SPF / PDF
PRTOS is a simple, compact preemptive RTOS for embedded systems
A UNIX-like kernel for the i386 architecture
Microcontroller Task Scheduler
Tiny operating system for running HCFSM-based systems
Avark is an embedded operating system for AVR microcontrollers.