Sailfish OS is a European alternative to dominating mobile operating systems, and the only mobile OS offering an exclusive licensing model for local implementations.




Havoc-OS is described as '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' and is a Android ROM in the os & utilities category. There are more than 25 alternatives to Havoc-OS for a variety of platforms, including Android, Linux, Android Tablet, Linux Mobile and Self-Hosted apps. The best Havoc-OS alternative is Android, which is both free and Open Source. Other great apps like Havoc-OS are GrapheneOS, LineageOS, /e/ and postmarketOS.
Sailfish OS is a European alternative to dominating mobile operating systems, and the only mobile OS offering an exclusive licensing model for local implementations.




alternative, open source version of Fairphone OS, built by Fairphone, that puts transparency and ownership in the spotlight.
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.

AXP.OS is a more private and more secure aftermarket mobile operating system based on AOSP & LineageOS.
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.



Paranoid Android provides a unique experience and ultimate customization for your Android device.



The Kali Linux NetHunter project is the first Open Source Android penetration testing platform for Nexus devices, created as a joint effort between the Kali community member “BinkyBear” and Offensive Security. NetHunter supports Wireless 802.


Project Elixir basically offers a minimal UI enhancement & close to Stock Android ROM with great performance, security and stability. Your experience while using Project Elixir will be butter smooth without compromising the quality of the Android experience.


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.
CrDroid is a customized fork of Android based on LineageOS bringing a lot of custom features ported from others great roms out there.




The new operating system from OnePlus, based on Android. OxygenOS is light and essential with subtle, useful features.



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.
