Oracle Solaris is the #1 enterprise OS, delivering breakthrough high-availability, security, efficiency, and industry-leading scalability/performance.

SerenityOS is described as 'Serenity is a graphical 32-bit Unix-like operating system with 90s aesthetics and built for x86 systems' and is a operating system in the system & hardware category. There are more than 100 alternatives to SerenityOS for a variety of platforms, including Linux, Self-Hosted, BSD, Mac and Windows apps. The best SerenityOS alternative is Tails, which is both free and Open Source. Other great apps like SerenityOS are Zorin OS, Lubuntu, Rocky Linux and FydeOS.
Oracle Solaris is the #1 enterprise OS, delivering breakthrough high-availability, security, efficiency, and industry-leading scalability/performance.









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




Bedrock Linux is a meta Linux distribution which allows users to utilize features from other, typically mutually exclusive distributions. Essentially, users can mix-and-match components as desired. For example, one could have:
ArchBang is a simple GNU/Linux rolling release distribution which provides you with a lightweight Arch Linux system combined with the Openbox Window Manager.

Desktop system for creators with focus on simplicity, elegance, and usability. Based on FreeBSD. Less, but better!
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.
A project providing a fully free (as in freedom) derivative of Arch Linux. Inheriting Arch's lightweight and flexibility, Parabola offers software freedom plus all power to the users.



OpenIndiana is a robust enterprise operating system, based on the illumos kernel. It is open source, free to use, community developed, and suitable for servers and desktops.



