Editing Capability-based security (section)

==Implementations==
Notable research and commercial systems employing capability-based security include the following:
* [[Tahoe-LAFS]], an open-source capability-based filesystem
* [[GNOSIS]], an operating system developed at [[Tymshare]]
**[[KeyKOS]], successor to GNOSIS
*** EROS, The [[Extremely Reliable Operating System]], successor to KeyKOS
* [[Cambridge CAP computer]]
* [[Hydra (operating system)]], part of the [[C.mmp]] project at [[Carnegie Mellon University]]
* StarOS, part of the CM* project at [[Carnegie Mellon University]]
* IBM [[System/38]] and [[AS/400]]
* [[Intel iAPX 432]]
* [[Plessey 250|Plessey System 250]]
* [[Flex machine|Flex]]
* [[L4 microkernel family]]:
**OKL4 from Open Kernel Labs
**[[SeL4]] from NICTA
**Fiasco.OC and NOVA from [[TU Dresden]]
* [[Amoeba (operating system)|Amoeba]] distributed operating system
* [[FreeBSD]] [[Capsicum (Unix)|Capsicum]]<ref>{{Cite web|url=https://www.freebsd.org/cgi/man.cgi?capsicum(4)|title = Capsicum(4)}}</ref><ref>[https://www.cl.cam.ac.uk/research/security/capsicum/papers/2010usenix-security-capsicum-website.pdf Capsicum: practical capabilities for UNIX]. Retrieved 9 July 2024</ref>
* [[Genode]]<ref>{{Cite web |title=Genode OS: a breath of fresh air in operating system and software security |url=https://rudd-o.com/linux-and-free-software/genode-os-a-breath-of-fresh-air-in-operating-system-and-software-security |access-date=2023-12-21 |website=Rudd-O.com |language=en}}</ref>
* [[Google Fuchsia]]<ref>{{Cite web |date=2016-08-14 |title=Google's Fuchsia operating system runs on virtually anything |url=https://www.engadget.com/2016-08-13-google-fuchsia-operating-system.html |access-date=2023-12-21 |website=Engadget |language=en-US}}</ref>
* [[HarmonyOS]] ([[OpenHarmony]]) <ref>{{cite web |last1=Děcký |first1=Martin |title=Microkernel-based and Capability-based Operating Systems |url=https://d3s.mff.cuni.cz/files/teaching/nswi161/martin-decky-microkernels-capabilities.pdf |website=D3S |access-date=23 December 2023}}</ref><ref>{{Cite web |title=docs/en/application-dev/security/accesstoken-overview.md at master · openharmony/docs |url=https://github.com/openharmony/docs/blob/master/en/application-dev/security/accesstoken-overview.md |access-date=2024-05-04 |website=GitHub |language=en}}</ref><ref>{{Cite web |last=DARKNAVY |date=2024-06-11 |title=AVSS Report: System Security Adversarial Capability Preliminary Evaluation of iOS, Android, and HarmonyOS - Kernel |url=https://www.darknavy.org/blog/avss_report_kernel/ |access-date=2024-07-04 |website=DARKNAVY |language=en}}</ref>
*[[Phantom OS]]<ref>{{cite web |last1=Dziuba |first1=Ted |title=Russian rides Phantom to OS immortality |url=https://www.theregister.com/2009/02/03/phantom_russian_os/ |website=The Register |access-date=31 December 2023}}</ref>
* [[WebAssembly]] System Interface (WASI)