Category:自由ソフトウェアOS
HarmonyOS
HarmonyOSSteamOS
SteamOSReactOS
ReactOSCP/M-86
CP/M-86Xv6
Xv6Contiki
ContikiAtheOS
AtheOSGenode
GenodeSyllable
Syllable DesktopEyeOS
EyeOSOberon
Oberon (operating system)CP/M-68K
EmuTOS
EmuTOSMiNT
MiNT386BSD
386BSDApache Mynewt
Apache MynewtArch Hurd
Arch HurdAROS Research Operating System
AROS Research Operating SystemBerkeley Software Distribution
Berkeley Software DistributionCollapse OS
Fuchsia (オペレーティングシステム)
Fuchsia (operating system)GNU Hurd
GNU HurdGNUの派生
GNU variantsInferno (オペレーティングシステム)
Inferno (operating system)JX (オペレーティングシステム)
JX (operating system)Plan 9 from Bell Labs
Plan 9 from Bell LabsPop! OS
Pop! OSRedox (オペレーティングシステム)
Redox (operating system)