AmigaOSW
AmigaOS
AROS Research Operating SystemW
AROS Research Operating System
BlackBerry 10W
BlackBerry 10
FreeRTOSW
FreeRTOS
GenodeW
Genode
Ghost (operating system)W
Ghost (operating system)
GNUW
GNU
GNU HurdW
GNU Hurd
HelenOSW
HelenOS
Mac OS 8W
Mac OS 8
Meiko ScientificW
Meiko Scientific
MINIXW
MINIX
OS2000W
OS2000
Phantom OSW
Phantom OS
PikeOSW
PikeOS
PowerUP (accelerator)W
PowerUP (accelerator)
QNXW
QNX
Redox (operating system)W
Redox (operating system)
RIOT (operating system)W
RIOT (operating system)
SharpOSW
SharpOS
Singularity (operating system)W
Singularity (operating system)
SymbianW
Symbian