Serenity is a graphical 32-bit Unix-like operating system with 90s aesthetics and built for x86 systems.


Comments about SerenityOS as an Alternative to KolibriOS

- SerenityOS is Free and Open Source
KolibriOS is described as 'Tiny yet incredibly powerful and fast operating system. This power requires only a few megabyte disk space and 8MB of RAM to run. Kolibri features a rich set of applications that include word processor, image viewer, graphical editor, web browser and well over 30' and is a operating system in the file management category. There are more than 50 alternatives to KolibriOS for a variety of platforms, including Linux, Windows, Self-Hosted, Mac and BSD apps. The best KolibriOS alternative is Linux Mint, which is both free and Open Source. Other great apps like KolibriOS are Ubuntu, Debian, Fedora and Arch Linux.
Serenity is a graphical 32-bit Unix-like operating system with 90s aesthetics and built for x86 systems.



A Fast, friendly, open-source operating system, for newbies, geeks & DIY enthusiasts.




illumos is a free and open-source Unix operating system. It derives from OpenSolaris, which in turn derives from SVR4 UNIX and Berkeley Software Distribution (BSD). illumos comprises a kernel, device drivers, system libraries, and utility software for system administration.
MiniOS is a lightweight and fast Linux distribution designed for installation on a USB drive. The MiniOS project was launched in 2009 as a Linux distribution for USB drives based on Mandriva Linux. However, in 2013 it was suspended due to the liquidation of Mandriva.




Crystal Linux is a brand new Arch Linux based distribution. Friendly, powerful and easy to use.


MidnightBSD is a new BSD-derived operating system developed with desktop users in mind. It includes all the software you'd expect for your daily tasks — email, web browsing, word processing, gaming, and much more.


Macpup is a minimalist desktop Linux distribution based on Puppy Linux . It uses Enlightenment as the default window manager and provides a user interface resembling that of Apple's macOS .




An operating system written in Common Lisp. Contribute to froggey/Mezzano development by creating an account on GitHub.

Pearl Linux OS has been available for free download since 12/2014 with our first release simply titled Pearl Linux. It was based on the 14.04 released version of Ubuntu. That release was using the XFCE desktop environment.




Enso aims to be a clean and simple OS that is easy to use and incorporates some of our favourite projects from around the Linux world.




Is as lightweight as it and its on development to support real hardware