| Be OS MAX | Be OS MAX |
| SkyOS |
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| AtheOS |
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| Syllable |
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| React OS |
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| QNX Neutrino |
|
| Plan 9 |
|
| Hurd |
|
| Linux |
|
| Solaris |
|
| OpenBSD |
|
| NetBSD |
|
| FreeBSD |
|
| DragonFly BSD |
|
| VxWorks | VxWorks |
|
|
|
|