A free (libre) open source, mobile OS for Ethereum
OSX, Windows, and Linux Desktop Clients for Rocket.Chat
Cluster wide IPC providing datagram, connection, and bus messaging
Thread Scheduler with custom asynchronous messaging in VC++
PRTOS is a simple, compact preemptive RTOS for embedded systems
replicated-kernel Linux-based OS
Embedded Real-Time Operating System (RTOS)