| /e/OS | Gaël Duval, E Foundation | 2018 |
| Android | Google | — |
| Android 1.0 | — | — |
| Android Lollipop | — | 2014 |
| BackSlash Linux | Kumar Priyansh | — |
| Bazzite | — | — |
| ChibiOS/RT | — | — |
| Home Assistant OS | — | — |
| IodéOS | — | — |
| Linux Kodachi | — | — |
| MIUI | Xiaomi | — |
| NuttX | Apache Software Foundation | — |
| OpenHarmony | Huawei, OpenAtom Foundation | 2020 |
| RancherOS | Rancher Labs | — |
| Replicant | — | — |
| RT-Thread | — | — |
| Secureblue | — | — |
| Tizen | Intel, Linux Foundation, Samsung Group, Tizen Association | — |
| Tock | Brad Campbell, Amit Levy | — |
| WebOS Open Source Edition | — | — |
| Xous | Betrusted | — |
| Zephyr | Wind River Systems, Linux Foundation | — |