16 Best Open Source Operating Systems Globally

Operating system (OS) is an set of free software programs that regulate the ways application software programs use the computer hardware resources and execution of various application software in your computer. those of you who love open source operating systems, if you like experimenting or trying out new things, here are some cool alternatives for you. Here is a list of 15 useful Open Source Operating Systems.

Kubuntu Operating System
Basically Kubuntu is a Ubuntu operating system which use the KDE plasma Desktop instead of the Unity graphical environment. Kubuntu is a integral part of Ubuntu Operating system project, so that why User can easily install both KDE Plasma Desktop (kubuntu-desktop) as well as 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. Besides providing an up-to-date version of the KDE desktop at the time of the release, the project also releases updated KDE packages throughout the lifetime of each release.

Download : Kubuntu 11.04

Ubuntu Debian GNU/Linux based operating system
Ubuntu is a fast, secure and easy-to-use operating system used by millions of people around the world. Ubuntu is a one of the best and open source Computer operating system based on the Debian GNU/Linux distribution and is distributed as 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.

Download : Ubuntu 11.04

openSUSE OS – multi purpose open source operating system
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!

Download : openSUSE 11.4

Mandriva Linux open source operating system
Mandriva Linux is the ultimate operating system from Mandriva. It is the fruit of the convergence of three technologies: Mandriva, Conectiva and Lycoris. The operating system is a 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 available in three editions: One, Power pack 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.

Download: mandriva Linux OS 2010.2

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

Download : Debian Linux OS

Elive operating system
Elive is a complete operating system for your computer. It is the perfect choice for replacing your proprietary, high-cost system. 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 work-station with an Interface that will dazzle anyone who sees it. This is Elive’s goal.

Download : Elive Debian GNU/Linux OS

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

Download : Fedora 15 Desktop Edition

Sabayon free Operating System
Sabayon Open source Operating system is an advanced, scalable and community driven Linux distribution. It tries to provide its users the best and most complete computing experience. Sabayon Linux uses Gentoo Linux as its base. It is (and always will be) 100% compatible with it.

Download : Sabayon Linux OS

FreeBSD
FreeBSD is an advanced operating system for modern server, desktop, and embedded computer platforms. FreeBSD provides advanced networking, impressive security features, and world class performance and is used by some of the world’s busiest web sites and most pervasive embedded networking and storage devices.

Download : FreeBSD Unix OS

PC-BSD
PC-BSD is a free 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.

Download : PC-BSD 8.2 OS

DesktopBSD Open source Operating system
DesktopBSD aims at being a stable and powerful operating system for desktop users. DesktopBSD combines the stability of FreeBSD, the usability and functionality of KDE and the simplicity of specially developed software to provide a system that’s easy to use and install.

Download : DesktopBSD 1.7

ReactOS
ReactOS is a free, modern operating system based on the design of Windows® XP/2003. Written completely from scratch, it aims to follow the Windows-NT® architecture designed by Microsoft from the hardware level right through to the application level. This is not a Linux based system, and shares none of the Unix architecture.

Download : ReactOS free operating system

Haiku open-source operating system
Haiku is a new open-source operating system that specifically targets personal computing. Inspired by the BeOS, Haiku is fast, simple to use, easy to learn and yet very powerful.

Download : Haiku open-source operating system

MenuetOS
MenuetOS is an Operating System in development for the PC written entirely in 32/64 bit assembly language. Menuet64 is released under License and Menuet32 under GPL. Menuet supports 32/64 bit x86 assembly programming for smaller, faster and less resource hungry applications. It totally written from scratch, so it is not based on other operating systems and has no roots within UNIX or the POSIX standards.

Download : MenuetOS

Syllable Desktop
Syllable Desktop is a complete operating system that is easy to use, powerful, lightweight and extraordinarily fast and responsive. It has its own kernel, filesystem, GUI and applications. Syllable Server is a matching small and efficient Linux server.

Download : Syllable Desktop

GeeXboX
GeeXboX is a free and Open Source Media-Center purposed Linux distributionfor embedded devices and desktop computers. GeeXboX is not an application, it’s a full-featured OS, that one can boot as a LiveCD, from a USB key, an SD/MMC card or install on its regular HDD. The GeeXboX distribution is lightweight and designed for one single goal: embed all major multimedia applications as to turn your computer into an HTPC.

Download : GeeXboX Linux OS