A GUI system for embedded systems.
Free cooperative operating system designed for microcontrollers
Free real-time operating system designed for microcontrollers
RTOS for Secure, Safe and Real-Time Systems
State machine framework for reactive embedded systems
An Open-Source Library for Low-Power Approximate Computing Modules
High Speed Karlsruhe open automotive code initiative
Microcontroller Task Scheduler
ChumbOS Launcher - Native Application Launcher for Chumby
Simple AVR OS