Top Alternatives to Tizen OS

Android is a Linux based mobile operating system developed by Google.

Ubuntu Touch is a mobile version of the Ubuntu operating system.

iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. exclusively for its hardware.

MIUI is a stock and aftermarket firmware for smartphones and tablet computers based on the Google Android operating system. MIUI includes various features such as theming support.

Manjaro Linux or simply Manjaro, is a Linux distribution based on Arch Linux. Manjaro Linux is based on the rolling release update model similar to that of Arch Linux and uses Pacman as its package manager.

Puppy Linux is an operating system and lightweight Linux distribution that focuses on ease of use and minimal memory footprint.

LineageOS is a free and open-source operating system for smartphones and tablet computers, based on the Android mobile platform.

Slackware is a Linux distribution originally based on Softlanding Linux System.

Replicant is a free and open source operating system (OS) based on the Android mobile platform and aims to replace all proprietary Android components with opensource components.

Sailfish OS is a general purpose Linux used commonly as mobile operating system combining the Linux kernel for a particular hardware platform use, the open-source Mer core stack of middleware, a proprietary UI contributed by Jolla or an open source UI, and other third-party components.

Slim ROM is a custom android operating system.

ArchBang Linux is a simple lightweight rolling release Linux distribution based on a minimal Arch Linux operating system with the Openbox window manager.

OxygenOS is a customized version of the Android mobile operating system.

NixOS is a Linux distribution built on top of the Nix package manager.