postmarketOS extends the free and open source operating system Alpine Linux to run on smartphones and other mobile devices. Alpine is a security-oriented, light-weight Linux distribution based on musl libc and BusyBox.




Sailfish OS is not available for Linux but there are plenty of alternatives that runs on Linux with similar functionality. The best Linux alternative is postmarketOS, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Sailfish OS and 11 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Sailfish OS are Ubuntu Touch, Plasma Mobile, Mobian and Tizen OS.
postmarketOS extends the free and open source operating system Alpine Linux to run on smartphones and other mobile devices. Alpine is a security-oriented, light-weight Linux distribution based on musl libc and BusyBox.




Ubuntu Touch is the Ubuntu operating system for mobile phones originally created by Canonical and now developed by the UBports Community.




Plasma Mobile turns your phone into a fully open hacking device, just like a PC. You can join us to start building new mobile experiences now.



Mobian is an open-source project aimed at bringing Debian GNU/Linux to mobile devices.




Open source Linux-based platform designed for smartphones, tablets, netbooks, automotive infotainment, and smart TVs, offering scalable compatibility, advanced multimedia, touch support, Application Compatibility Layer for Android apps, 3D UI, and multitasking.



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.



webOS is a web-centric and usability-focused software platform for smart devices. The operating system has constantly evolved, passing through its journey from Palm to HP, and most recently to LG Electronics.

KaiOS brings smartphone-like functionalities to affordable phones: the KaiStore for apps. Video calls over 4G. Mobile payments through NFC. Even dual-SIM support.




LuneOS is an open source firmware distribution for smartphones and tablet computers based on the Open webOS mobile operating system.




Oniro is an Eclipse Foundation project focused on the development of a distributed open source operating system for consumer devices, regardless of the brand, model, make.

