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Giant List of Operating Systems

The majority of the world uses a default or big tech operating systems, but there are many alternatives out there which may be a better choice. Take a look through our list & see if there is something you like the look of.

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  1. 2K https://dl.acm.org/citation.cfm?id=871061
  2. 4690 Operating System https://www.toshibacommerce.com
  3. AcadOS http://homepage.divms.uiowa.edu/~jones/acados
  4. Acorn RISC OS https://www.riscosopen.org
  5. AiroCorp http://airocorp.com
  6. AIX https://www.ibm.com/it-infrastructure/power/os/aix
  7. Alacris https://alacris.io
  8. Aleris https://www.aleris.com
  9. Allegro https://www.allegro.com
  10. AmigaOS https://www.amigaos.net
  11. Amiga Unix http://www.amigaunix.com/doku.php
  12. Amoeba https://www.cs.vu.nl/pub/amoeba
  13. AMX RTOS http://www.kadak.com/rtos/rtos.htm
  14. AneedA https://iamplus.com
  15. Apollo OS https://github.com/Arawn-Davies/Apollo-OS
  16. Apostle Project http://apostle.sourceforge.net
  17. AROS http://aros.sourceforge.net
  18. AtheOS http://atheos.pyro-os.org
  19. AtomsNet http://atoms.sourceforge.net
  20. Atomthreads http://atomthreads.com/index.php
  21. AutoSense OS https://www.phonak.com/us/en/about-us/autosense-os-technology.html
  22. Azure Sphere https://azure.microsoft.com/en-us/services/azure-sphere
  23. BareMetal http://www.returninfinity.com
  24. Bitrig https://www.bitrig.org
  25. BlackBerry OS https://global.blackberry.com/en/software/smartphones/blackberry-10-os
  26. BlueEyedOS http://www.blueeyedos.com
  27. Brew https://developer.brewmp.com
  28. BS2000 https://www.fujitsu.com/fts/products/computing/servers/mainframe/bs2000
  29. CapROS http://www.capros.org
  30. Centrifuge https://centrifuge.io
  31. Chaos http://chaosdev.io
  32. ChibiOS http://www.chibios.org/dokuwiki/doku.php
  33. Chimera RTOS http://www.cs.cmu.edu/~aml/chimera/chimera.html
  34. Choices http://choices.cs.illinois.edu
  35. Chromium OS https://www.chromium.org/chromium-os
  36. Cinder http://www.scs.stanford.edu/cinder
  37. Cisco IOS https://www.cisco.com/c/en/us/products/ios-nx-os-software/ios-technologies/index.html
  38. Cisco NX-OS https://www.cisco.com/c/en/us/products/ios-nx-os-software/nx-os/index.html
  39. Contiki http://www.contiki-os.org
  40. COS http://www.china-cos.com
  41. Cosmos https://www.gocosmos.org
  42. CP/M & CP/M Plus http://www.digitalresearch.biz/CPM.HTM
  43. Darwin https://opensource.apple.com
  44. DBOS https://www.dbos.global
  45. Deos https://www.ddci.com/products_deos_do_178c_arinc_653
  46. DesktopBSD https://www.desktopbsd.net
  47. DexOS http://dex-os.github.io
  48. DragonFlyBSD https://www.dragonflybsd.org
  49. DROPS http://os.inf.tu-dresden.de/drops
  50. DSPnano RTOS http://rowebots.com/products/dspnano
  51. DTOS http://www.cs.utah.edu/flux/fluke/html/dtos/HTML/dtos.html
  52. eCos http://ecos.sourceware.org
  53. EduOS https://github.com/RWTH-OS/eduOS
  54. EGOS https://egosllc.com
  55. EMBOS https://www.segger.com/products/rtos/embos
  56. EmuTOS http://emutos.sourceforge.net
  57. EOS https://www.eosworldwide.com
  58. EOSIO https://eos.io
  59. Erika http://erika.tuxfamily.org/drupal
  60. Fabric OS https://www.broadcom.com/products/fibre-channel-networking/software/fabric-operating-system
  61. FlingOS https://github.com/FlingOS
  62. FortiOS https://www.fortinet.com/products/fortigate/fortios
  63. FreeBSD https://www.freebsd.org
  64. FreeDOS https://www.freedos.org
  65. FreeVMS http://www.freevms.net
  66. Frenzy https://distrowatch.com/table.php?distribution=frenzy
  67. Friend OS https://friendos.com
  68. Fuchsia https://fuchsia.dev
  69. FullPliant https://www.fullpliant.org
  70. FxOS https://www.cisco.com/c/en/us/td/docs/security/firepower/fxos/compatibility/fxos-compatibility.html
  71. GazOS http://gazos.sourceforge.net
  72. GeekOS http://geekos.sourceforge.net
  73. Gemini Nucleus http://gemini.sourceforge.net
  74. GemOS https://enterprise.gem.co
  75. Genode https://genode.org
  76. Ghost OS https://ghostkernel.org
  77. GhostBSD https://www.ghostbsd.org
  78. GNU https://www.gnu.org/home.en.html
  79. GNU Hurd https://www.gnu.org/software/hurd
  80. GNUstep http://www.gnustep.org
  81. GoOS https://github.com/nutterts/GoOS
  82. Haiku https://www.haiku-os.org
  83. HeartOS https://www.ddci.com/products_heartos
  84. HelenOS http://www.helenos.org
  85. Hive https://hiveos.farm
  86. House http://programatica.cs.pdx.edu/House
  87. HP-UX https://www.hpe.com/us/en/servers/hp-ux.html
  88. IBM AIX https://www.ibm.com/it-infrastructure/power/os/aix
  89. IBM z/VSE https://www.ibm.com/it-infrastructure/z/zvse
  90. Icaros Desktop https://www.patreon.com/icarosdesktop
  91. IchigoJam https://na-s.jp/IJBRPi
  92. Illumos https://www.illumos.org
  93. Inferno http://www.vitanuova.com
  94. INTEGRITY https://www.ghs.com/products/rtos/integrity.html
  95. iOS https://www.apple.com/ios
  96. iPadOS https://www.apple.com/ipados
  97. iPod software https://support.apple.com/downloads/ipod
  98. JOS http://jos.sourceforge.net
  99. Junos https://www.juniper.net/us/en/products-services/nos/junos
  100. JX OS http://www4.cs.fau.de/Projects/JX
  101. KaOS https://kaosx.us
  102. Kaspersky https://os.kaspersky.com
  103. KolibriOS https://kolibrios.org
  104. kOS https://ksp-kos.github.io/KOS
  105. Kronos https://www.korg.com/us/support/download/software/0/424/1514
  106. KRUD https://distrowatch.com/table.php?distribution=krud
  107. KUKA Sunrise.OS https://www.kuka.com/en-us/products/robotics-systems/software/system-software/sunriseos
  108. Kylin http://www.kylinos.cn
  109. L4 http://l4hq.org/projects/os
  110. Linux https://www.linux.com/what-is-linux
  111. LSE/OS http://lseos.sourceforge.net
  112. LuninuxOS https://luninuxos.com/about.html
  113. LynxOS https://www.lynx.com
  114. macOS https://www.apple.com/macos
  115. Manos https://github.com/hellertime/manos
  116. MaRTE OS https://marte.unican.es
  117. Mavericks https://support.apple.com/downloads/mavericks
  118. MidnightBSD https://www.midnightbsd.org
  119. MikeOS http://mikeos.sourceforge.net
  120. Minix3 https://www.minix3.org
  121. Minoca https://github.com/minoca/os
  122. MenuetOS http://menuetos.net
  123. MkLinux http://mklinux.org
  124. Möbius http://mobius.sourceforge.net
  125. ModulOS http://modulos.sourceforge.net
  126. MorphOS https://www.morphos-team.net
  127. MOSIX http://www.mosix.org
  128. MUTOS http://www.robotrontechnik.de/index.htm?/html/software/mutos.htm
  129. Nachos https://www.cs.odu.edu/~cs471/soumya/salsa.html
  130. Nemesis http://nemesis.sourceforge.net
  131. Nerthus https://nerthusfoundation.org
  132. NetBSD https://www.netbsd.org
  133. NewOS http://newos.org
  134. Nexenta https://nexenta.com
  135. Nexus https://www.cs.cornell.edu/people/egs/nexus
  136. Nimbus https://sourceforge.net/p/nimbusos/wiki/Home
  137. Nintendo Switch OS https://www.nintendo.com/switch
  138. Node-OS https://node-os.com
  139. nOS https://nos.io
  140. Nova http://repo.nova.cu
  141. Nucleus RTOS https://www.mentor.com/embedded-software/nucleus
  142. O3ONE http://www.o3one.org
  143. Oberon http://www.projectoberon.com
  144. Odin https://samsungodin.com
  145. On Time RTOS-32 http://www.on-time.com
  146. ONTAP https://www.netapp.com/us/products/data-management-software/ontap.aspx
  147. Opal https://homes.cs.washington.edu/~levy/opal/opal.html
  148. OpenBSD https://www.openbsd.org
  149. OpenIndiana https://www.openindiana.org
  150. OpenVMS https://www.vmssoftware.com
  151. OppcOS http://oppcos.sourceforge.net
  152. OSE https://www.enea.com/ose
  153. osFree http://www.osfree.org
  154. OSv http://osv.io
  155. Paros http://research.ac.upc.edu/paros
  156. PetrOS http://www.trumpet.com.au/index.php/products/9-operating-systems/20-petrosr-operating-system.html
  157. Phantom http://dzavalishin.github.io/phantomuserland
  158. PikeOS https://www.sysgo.com/products/pikeos-hypervisor
  159. PIOS http://zoo.cs.yale.edu/classes/cs422/pios
  160. Plan 9 from Bell Labs https://9p.io/plan9
  161. PM_SZ_OS https://www.the-sz.com/products/pm_sz_os
  162. PonyOS https://ponyos.org
  163. PowerMAX https://www.dellemc.com
  164. Proolix http://www.cs.cmu.edu/~brians/comp/proolix.html
  165. PTS DOS http://phystechsoft.ru/pts-dosl
  166. Puppy Linux http://puppylinux.com
  167. PureDarwin http://www.puredarwin.org
  168. PureOS https://www.pureos.net
  169. QNX https://blackberry.qnx.com
  170. Quant Network https://www.quant.network
  171. RadiOS http://radios.sourceforge.net
  172. RCOSjava http://rcosjava.sourceforge.net
  173. ReactOS https://reactos.org
  174. REAL/32 https://winworldpc.com/product/real-32/7x
  175. REBOL-IOS http://www.rebol.com/index-ios.html
  176. Red Hat Linux https://www.redhat.com/en/technologies/linux-platforms/enterprise-linux
  177. Red Star OS https://www.visitthedprk.org/made-in-north-korea-red-star-o-s
  178. Redox https://www.redox-os.org
  179. Remix OS http://www.jide.com/en/remixos
  180. REWIN OS https://www.cht.com
  181. RISC OS Pi https://www.riscosopen.org/content/downloads/raspberry-pi
  182. Rodos http://www8.informatik.uni-wuerzburg.de/wissenschaftforschung/rodos
  183. ROME http://rome.sourceforge.net
  184. RTEMS https://www.rtems.org
  185. RTOS-UH http://rtos.iep.de/indexe.htm
  186. RTX https://www.intervalzero.com
  187. RTXC Quadros RTOS http://quadros.com/products/operating-systems/rtxc-quadros-rtos-advanced
  188. RxDOS https://sourceforge.net/projects/rxdos
  189. S.Ha.R.K http://shark.sssup.it
  190. Safebit https://safebit.io
  191. Sanos http://www.jbox.dk/sanos
  192. ScorchOS https://sourceforge.net/projects/scorchos
  193. ScottsNewOS http://scottsnewos.sourceforge.net
  194. SCP Foundation Operating System http://www.scp-wiki.net/forum/t-2050004/scp-foundation-operating-system
  195. SEVMS VAX https://www.cyber.gov.au/publications/epl/sevms-vax
  196. SharkOS https://distrowatch.com/table.php?distribution=shark
  197. ShawnOS https://github.com/shawnanastasio/ShawnOS
  198. Sinclair OS https://sinclair-uk.weebly.com/sinclair-os.html
  199. SimpleOS http://sos.enix.org/fr/PagePrincipale
  200. SmartOS https://www.joyent.com/smartos
  201. Solaris https://www.oracle.com/solaris
  202. SPIN http://www-spin.cs.washington.edu
  203. Spinix http://www.ibiblio.org/spinix/about.html
  204. Spring https://www.iaps.com/Spring.html
  205. Squeak http://wiki.squeak.org/squeak/5727
  206. STARCOS http://www.arp.com/medias/13438540.pdf
  207. SteamOS https://store.steampowered.com/steamos
  208. Stratus VOS https://www.stratus.com/es/solutions/platforms/v-series-continuum-openvos/operating-systems
  209. Stupid Operating System https://github.com/sos-os/kernel
  210. SymbOS http://www.symbos.de
  211. Symobi http://www.symobi.com
  212. Symphony OS https://distrowatch.com/table.php?distribution=symphony
  213. Talos https://github.com/talos-systems/talos
  214. TAOS http://www.uruk.org/emu/Taos.html
  215. TCx Sky Operating System https://www.toshibacommerce.com
  216. TempleOS https://templeos.org
  217. The Operating System http://www.theoperatingsystem.org
  218. THEOS http://www.theos-software.com
  219. Thix http://hulubei.net/tudor/thix/index.html
  220. THREADX ROTS https://rtos.com/solutions/threadx/real-time-operating-system
  221. TI-RTOS Kernel http://www.ti.com/tool/TI-RTOS-MCU
  222. TinyOS hhttp://www.tinyos.net
  223. Tizen https://www.tizen.org
  224. ToaruOS https://toaruos.org
  225. TORNADO http://www.tornado-os.com
  226. Torsion http://www.nongnu.org/torsion
  227. TRON https://www.tron.org
  228. TRON Network https://tron.network
  229. TrueOS https://www.trueos.org
  230. TUD:OS http://demo.tudos.org
  231. tvOS https://developer.apple.com/tvos
  232. µ-velOSity https://www.ghs.com/products/micro_velosity.html
  233. µC/OS https://www.micrium.com/rtos
  234. UberOS https://github.com/TsarN/uber-os
  235. UDOS http://www.sde.cs.titech.ac.jp/~gondow/udos/index.html
  236. Unix https://www.opengroup.org/membership/forums/platform/unix
  237. UnixWare https://www.xinuos.com/menu-products/unixware-2018
  238. V2 OS https://www.v2.nl/archive/works/v2_os
  239. Veloce OS3 https://www.mentor.com/products/fv/emulation-systems/veloce-apps#os3
  240. VisiOn http://www.theoperatingsystem.org/vision-mission
  241. Visopsys https://visopsys.org
  242. VM/ESA http://www.vm.ibm.com/techinfo/vmfblank.html
  243. VMS https://www.vmssoftware.com
  244. VxWorks https://www.windriver.com/products/vxworks
  245. WatchOS https://www.apple.com/watchos
  246. Wii U OS http://nintendotoday.com/wii-u-operating-system
  247. Windows/Windows NT https://www.microsoft.com/en-us/windows
  248. Xbox 360 OS https://support.xbox.com/en-US/xbox-360/console/system-update-operating-system
  249. Xbox One https://support.xbox.com/en-US/browse/xbox-one/console/System%20update
  250. Xinu https://xinu.cs.purdue.edu
  251. Xinuos OpenServer https://www.xinuos.com/menu-products/openserver-10
  252. xMach http://xmach.sourceforge.net
  253. XTS-400 https://www.baesystems.com
  254. Yamit https://sourceforge.net/p/yamit/wiki/Home
  255. z/VM https://www.ibm.com/it-infrastructure/z/zvm
  256. z/OS https://www.ibm.com/it-infrastructure/z/zos
  257. Zephyr https://www.zephyrproject.org
  258. ZevenOS https://www.zevenos.com
  259. Zorin OS https://zorinos.com Let us know if we missed your favorite operating system.

This data is from Vuild’s operating systems list. Please visit vuild.com for more.

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