Rocky Linux Alternatives for Android

OxygenOS is a mobile operating sytem for the OnePlus series of Android phone. It provides a refreshingly simple user interface that allow you to navigate more efficiently with intuitive gestures to access what's important, and enjoy a more personalized user experience. OxygenOS is co-developed with the open source community and released as free and open software.

Bliss OS is a free and open-source operating system based on the mobile operating system, Android. It features  many optimizations and expanded device support and is avalible for Chrombook, Linux and Windows PCs. The project is developed by an 501 (c3) Non-Profit organization who's mission is to provide a variety of resources to the open-source community and others around the world by creating and fostering an all-inclusive learning environment for seasoned developers and newcomers.

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.

Sailfish OS is a European developed mobile operating system that offers exlusive licensing model for local implementations. Sailfish OS provides a deeper level of security including features, such as Mobile Device Management (MDM), fully integrated VPN solutions, enterprise WiFi, data encryption, and better and faster performance. Allowing you to enjoy a privacy focused and secure operating system for your mobile devices.