alternative, open source version of Fairphone OS, built by Fairphone, that puts transparency and ownership in the spotlight.
CalyxOS Alternatives
CalyxOS is described as 'Everyone needs a phone. Not everyone wants governments and corporations tracking their every move and spying on their communications. CalyxOS lets you have your cake and eat it too, with "Privacy by Design"' and is a popular Mobile OS in the os & utilities category. There are more than 25 alternatives to CalyxOS for a variety of platforms, including Android, Android Tablet, Linux, Linux Mobile and Android SDK apps. The best CalyxOS alternative is Android, which is both free and Open Source. Other great apps like CalyxOS are GrapheneOS, LineageOS, iodéOS and /e/.
Alternatives list
- 45 Fairphone Open alternatives
- 30 Paranoid Android alternatives
Paranoid Android provides a unique experience and ultimate customization for your Android device.



- 26 iOS alternatives
iOS is a mobile operating system designed by Apple for its iPhone and iPad devices. It offers a user-friendly interface, intuitive features, and seamless integration with other Apple products. With iOS, you can access a wide range of apps, games, and multimedia content, as well...

iOS is the most popular iPhone alternative to CalyxOS.
iOS is the most popular commercial alternative to CalyxOS.
- iOS is Paid and Proprietary
- iOS is Security-focused
- 55 HarmonyOS alternatives
Distributed microkernel OS with AI and edge computing capabilities for smartphones, wearables, TVs, tablets, and IoT; features multi-layered architecture, custom device kernels, Linux ABI compatibility, seamless interaction, and resource sharing across devices.

- 38 crDroid alternatives
CrDroid is a customized fork of Android based on LineageOS bringing a lot of custom features ported from others great roms out there.



Ubuntu Touch is made and maintained by UBports. It is a free and open source mobile OS for you! Meanwhile we care about your privacy and freedom.
Cost / License
- Free
- Open Source
Platforms
- Linux
AXP.OS is a more private and more secure aftermarket mobile operating system based on AOSP & LineageOS.
Project Elixir basically offers a minimal UI enhancement & close to Stock Android ROM with great performance, security and stability. Your experience while using Project Elixir will be butter smooth without compromising the quality of the Android experience.


Evolution X is a flashable Custom ROM to bring a true Pixel feel to your Android Device at first glance, with many additional configurations at your disposal. We aim to provide frequent builds with monthly security patches from the latest aosp sources.


- 44 OxygenOS alternatives
The new operating system from OnePlus, based on Android. OxygenOS is light and essential with subtle, useful features.



Tizen is an open source mobile and device operating system based on Linux developed by Samsung and Intel.



BlissRoms, an open-source operating system built upon Android Open Source Project, that offers a harmonious blend of customization, options, and security features. With a commitment to delivering pure bliss in every build, it brings with it a world of limitless possibilities.




















