Sailfish OS

Sailfish OS (also styled as SailfishOS or abbreviated to SFOS) is a mobile operating system combining the Linux kernel for a particular hardware platform use, the open-source Mer core middleware, a proprietary UI contributed by Jolla, and other third-party components. Sailfish is developed by Jolla, the Sailfish and Mer project communities, corporate members of the Sailfish Alliance and various open community members. The operating system software is Open source with added closed-source components and extensions...