Android Open Source Project — operating system
| Operating system | Developer | First release |
|---|---|---|
| Android Lollipop | — | 2014 |
| Android Marshmallow | Open Handset Alliance, Google | — |
| Android Nougat | Google, Open Handset Alliance | 2016 |
| Android Oreo | Google, Open Handset Alliance | 2017 |
| CyanogenMod | CYNGN Inc. | 2009 |
| Nothing OS | Nothing Technology Ltd. | — |