Free OS & Utility Software
Alpine Linux
A Linux distribution based on musl and BusyBox, designed for security, simplicity, and resource efficiency. Alpine Linux is mostly used in server environments as its hardened kernel and resource efficiency makes it perfect for containerisation. The distribution compiles all user-space binaries as position-independent executables along with stack-smashing protection for stack buffer overflow concerns.
Ubuntu Touch
Ubuntu Touch is a free and open-source mobile operating system maintained by the UBports community. The OS was first create by Canonical LTD, the company behind the Linux distribution, Ubunutu. With Ubuntu Touch, you can use your mobile devices in a free and open manner. Ubuntu Touch also allows you to turn your phone into a desktop computer using the "desktop mode"
SparkyLinux
SparkyLinux is fast, lightweight and fully customizable operating system. The open source OS is based on Debian and released as free software under the GNU General Public License. With SparkyLinux, people can enjoy a stable operating system which is released with few different version depending on your use case. The fully featured release, with Openbox as a desktop environment and special editions called GameOver, Multimedia & Rescue.
HarmonyOS
HarmonyOS is a free operating system designed for smartphones, smart TVs and IoT. The OS is developed by the Chinese manufacturing giant, Huawei.
Xfce
Xfce is a free and open-source desktop environment for Unix-like platforms, such as Linux, Solaris and BSD.
PrimeOS
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.
KaiOS
KaiOS is a free an open-source operating system that brings the best of smartphones to affordable mobile devices. With KaiOS you can use popular apps like WhatsApp, YouTube, Facebook, Google Maps, and 500+ other apps available on the KaiStore. KaiOS was built to empower people around the world through technology. With the belief that everyone should have access to the internet to unleash their potential.
GNOME Disks
GNOME Disks is a free and open-source GUI for the gnome-disk-utility package. GNOME Disks can be used for partition management, monitoring, benchmarking, and software RAID.
Plasma Mobile
Plasma Mobile is a free and open-source, Linux-based user interface for phones. The project aims to a complete software system for mobile devices that is designed from the ground up to give users control over their information and communication. Plasma Mobile takes a pragmatic approach and is inclusive to 3rd party software, allowing the user to choose which applications and services to use.
AppCenter
AppCenter is the software store that comes bundled with every release of elementary OS. The store allows users of elementary OS to download curated software specifically built for the operating system. The AppCenter operates under a Pay-What-You-Want pricing model which allow developers to earn money from their open-source creations. Anyone is free to create apps for elementary OS as long as they follow the design guide lines provided by the elementary project.