Sailfish OS
| Sailfish OS | |
|---|---|
 | |
 Sailfish OS version 2.0.2.51 running on Intex Technologies Aqua Fish | |
| Developer | Jolla |
| Written in | Qt/QML, C++ |
| OS family | Linux (Unix-like) |
| Working state | Current |
| Source model | Proprietary, with open-source components |
| Initial release | 16 November 2013 |
| Latest release | 5.1  / 16 June 2026 |
| Repository | |
| Marketing target | Mobile and general purpose |
| Available in | English for development, SDK & supporting documentation; over 21 national languages versions of UI in user's device |
| Package manager | RPM Package Manager |
| Supported platforms | 32-bit and 64-bit ARM and 64-bit x86 |
| Kernel type | Linux kernel |
| Userland | GNU |
| License | For end-user the EULA defines used open source and other licences components with a component's origin. |
| Preceded by | MeeGo by alliance of Nokia & Intel |
| Official website | sailfishos |
Sailfish OS is an operating system for mobile phones developed by Jolla. It is Linux-based with AppSupport, a proprietary compatibility layer for Android and custom user interface by Jolla.
The OS first shipped with the original Jolla Phone in 2013; while its sale stopped in 2016, it was supplied with software updates until the end of 2020. It also shipped with Jolla Tablet in 2015 and from other vendors licensing the OS. The OS is ported by community enthusiasts to third-party mobile devices including smartphones and tablet computers. Sailfish OS is mostly used for mobile phones and tablets.