| Operating system | Developer | First release |
|---|---|---|
| GNU Anastasis | — | — |
| Incompatible Timesharing System | Massachusetts Institute of Technology | — |
| LuxOS | — | — |
| Sigma File Manager | — | — |
| Tails | The Tor Project, Inc | 2009 |
| Operating system | Developer | First release |
|---|---|---|
| GNU Anastasis | — | — |
| Incompatible Timesharing System | Massachusetts Institute of Technology | — |
| LuxOS | — | — |
| Sigma File Manager | — | — |
| Tails | The Tor Project, Inc | 2009 |