Similar to OpenSolaris
Arch Hurd
Arch Hurd
Berkeley Software Distribution
Berkeley Software Distribution
GNU
GNU
GNU Hurd
GNU Hurd
Plan 9 from Bell Labs
Plan 9 from Bell Labs
Redox (オペレーティングシステム)
Redox (operating system)Syllable
Syllable DesktopVersion 6 Unix
Version 6 Unix
Version 7 Unix
Version 7 Unix
Xv6
Xv6
MINIX
Minix
Nexenta OS
Nexenta OS386BSD
386BSDApache Mynewt
Apache MynewtAROS Research Operating System
AROS Research Operating SystemAtheOS
AtheOS
ChibiOS/RT
ChibiOS/RTCollapse OS
Contiki
ContikiCP/M
CP/MCP/M-68K
CP/M-8000
CP/M-86
CP/M-86
ECos
ECosEmuTOS
EmuTOSEyeOS
EyeOS
FreeDOS
FreeDOSFreeRTOS
FreeRTOS
