Sailfish OS is described as 'European alternative to dominating mobile operating systems, and the only mobile OS offering an exclusive licensing model for local implementations' and is a popular Mobile OS in the os & utilities category. There are more than 25 alternatives to Sailfish OS for a variety of platforms, including Android, Linux, Linux Mobile, Android Tablet and iPhone apps. The best Sailfish OS alternative is Android, which is both free and Open Source. Other great apps like Sailfish OS are GrapheneOS, LineageOS, postmarketOS and /e/.
Distributed microkernel OS with AI and edge computing capabilities for smartphones, wearables, TVs, tablets, and IoT; features multi-layered architecture, custom device kernels, Linux ABI compatibility, seamless interaction, and resource sharing across devices.
China
iPadOS is the mobile operating system for iPad devices from version 13 onward. Before version 13, iPad devices ran iOS.
United States
Open source Linux-based platform designed for smartphones, tablets, netbooks, automotive infotainment, and smart TVs, offering scalable compatibility, advanced multimedia, touch support, Application Compatibility Layer for Android apps, 3D UI, and multitasking.
United States
United States
Ubuntu Touch is made and maintained by UBports. It is a free and open source mobile OS for you! Meanwhile we care about your privacy and freedom.
OmniROM is our Android custom ROM variant, feature-packed but always with stability as #1 priority in mind.
AXP.OS is a more private and more secure aftermarket mobile operating system based on AOSP & LineageOS.
The new operating system from OnePlus, based on Android. OxygenOS is light and essential with subtle, useful features.
China
Havoc-OS is an after-market firmware based on Android Open Source Project, inspired by Google Pixel with a refined Material Design UI. We offer a smooth and stable experience for your device with a selected set of amazing features that provide an exceptional user experience.
KaiOS brings smartphone-like functionalities to affordable phones: the KaiStore for apps. Video calls over 4G. Mobile payments through NFC. Even dual-SIM support.
United States
webOS is a web-centric and usability-focused software platform for smart devices. The operating system has constantly evolved, passing through its journey from Palm to HP, and most recently to LG Electronics.
South Korea
Astian OS is an operating system that is based on the discontinued Firefox OS, development by Astian Foundation, thus allowing support for mobile devices, TV's, and other devices. Astian OS is completely free and open.
Chile
