KaiOS - KaiOS is a light operating system for smart feature phones like the JioPhone and Nokia 8110.
Android - Android is an open source mobile operating system initially released by Google in 2008 and has since become of the most widely used operating systems on any platform.
Blot - A no interface, super easy blogging platform
CalyxOS - Privacy-focused operating system for smartphones based on Android and microG
Windows 10 Mobile - Windows 10 Mobile is a mobile operating system developed by Microsoft.
Sailfish OS - At the heart of Jolla is Sailfish OS, the independent mobile operating system offering an alternative to the existing dominant systems. Sailfish OS is the perfect solution for country ecosystem and corporate mobile projects, or for consumer devices.