Category:自由ソフトウェアOS
HarmonyOS
HarmonyOSCP/M
CP/MTempleOS
TempleOSFreeDOS
FreeDOSOpenSolaris
OpenSolarisContiki
Contiki386BSD
386BSDGenode
GenodeECos
ECosReactOS
ReactOSEyeOS
EyeOSCP/M-86
CP/M-86AtheOS
AtheOSCP/M-68K
EmuTOS
EmuTOSMiNT
MiNTApache 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! OS