| [Ubuntu Touch](https://ubuntu-touch.io/) | | Ubuntu, but for phones. |
| [LineageOS](https://www.lineageos.org/)<br/>[![Repo](https://img.shields.io/badge/open-source-3DA639?style=flat-square&logo=github)](https://github.com/lineageos) | **5-eyes** | Open-source and based on Android, but without the crap. |
| [SailfishOS](https://sailfishos.org/)<br/>[![Repo](https://img.shields.io/badge/open-source-3DA639?style=flat-square&logo=sailfishos)](http://releases.sailfishos.org/sources) | | Privacy-focused mobile OS by Jolla with a proprietary UI and Android compatibility layer on top of an open-source Mer GNU/Linux base. |
| [CopperheadOS](https://copperhead.co/android/)<br/>[![Repo](https://img.shields.io/badge/open-source-3DA639?style=flat-square&logo=gitlab)](https://gitlab.com/copperheadsec/os-src) | **5-eyes** | Secure Android built for encrypted and secure phones by a privacy focused company. Paid product that combines the best-in-class hardening and privacy protections from various projects. |
| [GrapheneOS](https://grapheneos.org/)<br/>[![Repo](https://img.shields.io/badge/open-source-3DA639?style=flat-square&logo=github)](https://github.com/GrapheneOS) | | Open-source Android-based OS with an emphasis on security and privacy. Features advanced hardening and privacy protections throughout the system. |
| [postmarketOS](https://postmarketos.org/)<br/>[![Repo](https://img.shields.io/badge/open-source-3DA639?style=flat-square&logo=gitlab)](https://gitlab.com/postmarketOS) | | Open-source mobile Linux OS. Can install different user interfaces such as [Plasma Mobile](https://www.plasma-mobile.org/). Thanks @okias |
| [Replicant](https://replicant.us/) | **5-eyes** | Free Android distribution. Puts the emphasis on "freedom and privacy/security". |