Jaluna-1 is a real-time component suite designed for carrier-grade projects requiring high performance and high availability. It is based on Sun Microsystems' Chorus microkernel operating system (OS).

[pmig96] loves PalmOS and has set about on the arduous task of reimplementing PalmOS from scratch, dubbing it Pumpkin OS. Pumpkin OS can run on x86 and ARM at native speed as it is not an emulator.