The Best 13 Free and Open Source Linux Operating System

An operating system (OS) is a set of free software programs that regulate the ways application software programs use the computer hardware resources and execution of various application software on your computer. For those of you who love open-source operating systems, if you like experimenting or trying out new things, here are some fresh alternatives for you. Here is a list of 13 applicable Open Source Linux Operating System.


Kubuntu - Open Source Linux OS

Kubuntu is a Ubuntu operating system that uses the KDE Plasma Desktop instead of the Unity graphical environment. The software is an integral part of the Ubuntu Operating system project so that users can easily install both KDE Plasma Desktop (Kubuntu-desktop) and the Unity desktop (ubuntu-desktop) on the same computer. It has a biannual release cycle and at least 18 months of free security updates for each release.Kubuntu 11.04



Ubuntu is a fast, secure, and easy to use Linux operating system used by millions of people worldwide. It is one of the best and open-source computer operating systems based on the Debian GNU/Linux distribution. The Operating system release under free and open-source software with additional proprietary software available. It’s a secure, intuitive operating system that powers desktops, servers, netbooks, and laptops. Ubuntu is, and always will be, absolutely free. –  Ubuntu 11.04

openSUSE – Open Source Linux OS


openSUSE is a free, Linux-based, stable, easy to use, and complete multi-purpose operating system for your PC, Laptop, or Server. You can surf the web, manage your e-mails and photos, do office work, play videos or music, and have a lot of fun! – openSUSE 11.4

Mandriva Linux OS


Mandriva Linux is the ultimate Linux operating system from Mandriva. It’s a combination of three technologies: Mandriva, Conectiva, and Lycoris. The operating system is very easy-to-use, user-friendly, and more powerful.

It is ideal for the needs of all customers, from the beginner to the SOHO user. It is available in three editions: One, Powerpack, and Free, for both i586 and x86-64 architectures. One and Free can be downloaded free of charge from official Mandriva mirrors and via BitTorrent. – Mandriva Linux OS 2010.2

Debian – Linux operating system


Debian is a free Linux operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run. It uses the Linux kernel (the core of an operating system), but most of the necessary OS tools come from the GNU project, hence the name GNU/Linux. – Debian Linux OS

Elive Linux operating system

Elive Open Source Linux OS

Elive is a complete Linux-based operating system for your computer. It is the perfect choice for replacing your proprietary, high-cost design. It is built on top of Debian GNU/Linux and customized to meet your needs for a complete operating system while still offering the user eye-candy, with minimal hardware requirements. Turn your old computer into a high-powered workstation with an Interface that will dazzle anyone who sees it. – Elive OS

Fedora – Open Source Linux operating system

Fedora Open Source Linux OS

Fedora is a Linux-based operating system that showcases the latest in free and Open Source software. It is always free for anyone to use, modify, and distribute, built by people across the globe who work together as a community, the Fedora Project. – Fedora 15 Desktop Edition

Sabayon Linux

Sabayon - Best Open Source Linux Operating System

Sabayon Linux is an advanced, scalable, and community-driven Linux operating system. It tries to provide its users with the best and most complete computing experience. The Operating system uses Gentoo Linux as its base. It is 100% compatible with it. – Sabayon Linux OS

FreeBSD – Open Source Unix like OS

FreeBSD - Open Source Unix like OS

FreeBSD is an advanced operating system for modern Servers, desktop, and embedded computer platforms. It also provides advanced networking, impressive security features, and world-class performance. It works with the world’s busiest websites and most pervasive embedded networking and storage devices. – FreeBSD Unix OS

PC-BSD Linux Operating system

PC BSD - Open Source Linux OS

PC-BSD is a Linux operating system with ease of use in mind. Like any modern system, you can listen to your favorite music, watch your movies, work with office documents, and install your favorite applications with a setup wizard at a click. – PC-BSD 8.2 OS

DesktopBSD – Open Source Linux OS


DesktopBSD is an open-source operating system aiming to be a stable and robust operating system for desktop users. Combining the stability of FreeBSD, the usability and functionality of KDE, and the simplicity of specially developed software to provide that’ sm that’s easy to use and install.


  1. Full multimedia support and extremely easy to use.
  2. Secure & Private.
  3. Ease of connection.
  4. Elegant & beautiful.
  5.  Fast & Organized.

DesktopBSD 1.7

Syllable Desktop – Open Source Linux OS

Syllable Desktop

Syllable Desktop is an open-source, desktop-oriented operating system derived from the AtheOS operating system and built around the GNOME graphical desktop environment.

Its primary purpose is to create an easy-to-use desktop operating system for home and small office users. It has its kernel, filesystem, GUI, and applications. Syllable Server is a matching small and efficient Linux server.


  1. Operating system optimized for desktop computers
  2. Easy to use graphical work environment with a consistent, pure, but powerful user interface.
  3. The high response speed to user input under heavy load.
  4. Fast Startup & Shut down
  5. Based on the AtheOS operating system
  6. It has a native web browser

Syllable Desktop

GeeXboX – Media centric free Linux distribution

GeeXboX - Open Source Linux OS

GeeXboX is a free and Open Source Media Centric Linux distribution for embedded devices and computer systems. It is not software; it’s a full-featured operating system that can boot as a LiveCD, from a USB key, an SD/MMC card, or set up on its regular HDD. The Linux distribution is lightweight and designed for one single purpose, embed all main multimedia applications to turn your laptop into an HTPC.



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