Tizen OS is described as 'Tizen is an open source mobile and device operating system based on Linux developed by Samsung and Intel' and is a Operating System in the OS & Utilities category. There are more than 50 alternatives to Tizen OS for a variety of platforms, including Linux, Android, Self-Hosted solutions, Android Tablet and Linux Mobile. Most alternatives are Operating Systems and Mobile Os. The best alternative is Manjaro Linux, which is both free and Open Source. Other great apps like Tizen OS are LineageOS (Free, Open Source), Android (Free, Open Source), Ubuntu Touch (Free, Open Source) and /e/ (Free, Open Source).
Maru makes personal computing more context-aware by giving you the best interface for your environment. That means when you're on the go, Maru is your phone; when you're at your desk, Maru is your desktop.
Slim ROM is super-lightweight Android ROM for Samsung Galaxy phones, that's aimed at advanced users. Slim is designed to trim the fat down to the bare essentials and give you a fast and clean Android installation.