KaiOS

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Phoenix OS

Ubuntu Touch is a free and open-source mobile operating system maintained by the UBports community. The OS was first create by Canonical LTD, the company behind the Linux distribution, Ubunutu. With Ubuntu Touch, you can use your mobile devices in a free and open manner. Ubuntu Touch also allows you to turn your phone into a desktop computer using the "desktop mode"

Android is a free and open source mobile operating system built on-top of the Linux kernel. The OS is used by over 150 million people world-wide, which makes it the most popular mobile operating system on earth. Android is optimized for how you use your phone, helping you manage conversations, organize your day, and connect with the people that matters most to you.

HarmonyOS is a free operating system designed for smartphones, smart TVs and IoT. The OS is developed by the Chinese manufacturing giant, Huawei.

Drauger OS is a free and open-source, leight-weight Linux distribution designed for gaming. Drauger OS has an overhauled desktop, the xanmod kernel for better graphics performance, and enhanced multi-lingual support. Drauger OS development aims to make Drauger OS available for as many people and devices as possible.

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PrimeOS is an Android-x86 based OS which provides desktop experience on any x86 based device providing user top of the line features like multi-window, taskbar and deca-pro key mapper for gamers. For desktop, PrimeOS features a start menu, taskbar and action center with multitasking support with app maximize, minimize, close windows. PrimeOS share many similarities with Samsung Dex which lets you get a complete Android-Desktop experience just by connecting a monitor to your smartphone.