List of Free Operating Systems: Download Now!

Posted on 12 January 2009

There are an increasing number of equipment manufacturers and technology groups that provide operating systems (OS) for free personal and commercial use without any cost or fee. You are sometimes even free to use them, change their source code and redistribute them as well.

Like Anything that comes for free, do not expect fancy printed manuals and CD-ROMs and technical support. Yet you can count on the community that uses these OS to provide you support through chat rooms and forums and mailing lists.

You will also note that the size of these OS range from 1 to 10 GB so if you don’t have decent broadband connection, paying for a DVD/CD-ROM might seem reasonable. Also if you are not that techie, some of these companies offer helpdesk and support contracts, which can be bought at a reasonable price.


FreeDOS aims to be a complete, free, 100% MS-DOS compatible operating system (mostly achieved except Windows compatibility – Windows standard-mode works on FreeDOS, but 386-mode / WfW 3.11 does not.)


These days, there are three main uses for FreeDOS:

  1. Running classic DOS games
  2. Running business software that only supports DOS
  3. Supporting embedded DOS systems, such as a computerized cash register or till

FreeDOS should run on any standard PC, but if you are new to DOS, we recommend you use a PC emulator to install and boot FreeDOS. You can find PC emulators for all computer platforms (Windows, Linux, Mac.) You can even run FreeDOS using a PC emulator written in Java, right in your web browser!

Click here to Download FreeDOS


RxDOS is a fast MS-DOS clone that supports very large disk drives, FAT32 volumes, and Windows 95/98 Long Filenames. its source code is also available free at sourceforge.

Click here to Download RxDOS

React OS

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® 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.

ReactOS 0.3.3ReactOS had its origins in an older project known as FreeWin95. FreeWin95 aimed at being binary compatible with Microsoft® Windows® 95. It was founded by Yannick Majoros around 1996. But the development never took off substantially due to endless talks on design and thoughts of following the NT architecture.

The main goal of the ReactOS project is to provide an operating system which is binary compatible with Windows. Adobe Photoshop 3This will allow your Windows applications and drivers to run as they would on your Windows system. Additionally, the look and feel of the Windows operating system is used, such that people accustomed to the familiar user interface of Windows® would find using ReactOS straightforward. The ultimate goal of ReactOS is to allow you to remove Windows® and install ReactOS without the end user noticing the change.Please bear in mind that ReactOS 0.3.7 is still in alpha stage, meaning it is not feature-complete and is not recommended for everyday use.

Click Here to Download ReactOS


OpenSolarisOpenSolaris is an operating system (OS), an open source project licensed under CDDL, and a community. The project’s goals are innovation, collaboration, and the extension of OpenSolaris technology.OpenSolaris is free, open source, and well-suited for desktops, laptops, servers, and data centers. The quality requirement of OpenSolaris is perhaps best stated as Production Ready All The Time.

OpenSolarisOpenSolaris technical communities maintain kernel and userland consolidations and launch new technology projects. OpenSolaris is developed by communities working in the different projects. Each project focuses on one or more specific areas of the system. The OpenSolaris developer project is sponsored by Sun Microsystems, Inc.

Click here to download OpenSolaris

DarwinDawrwin Apple

Darwin is the UNIX technology-based foundation of Mac OS X. Darwin integrates several technologies. Among the most important aredarwin screenshot 4.4BSD-based operating-system services (built on the Mach 3.0 microkernel), the I/O Kit, networking facilities, and support for multiple integrated file systems. Developers can use Darwin to port UNIX/Linux applications and create kernel extensions.

In addition to being part of Mac OS X, Darwin is a standalone, BSD-based operating system. (BSD, short for Berkeley Software Distribution, is a family of UNIX variants descended from Berkeley’s version of UNIX.)Darwin is also occasionally used to refer to the Darwin Streaming Server, also known as the QuickTime Streaming Server (QTSS).

Click Here to download Darwin



FreeBSD is an advanced operating system for x86 compatible (including Pentium® and Athlon™), amd64 compatible (including Opteron™,BSD Athlon™64, and EM64T), ARM, IA-64, PowerPC, PC-98 and UltraSPARC® architectures.  It is derived from BSD, the version of UNIX® developed at the University of California, Berkeley. It is developed and maintained by a large team of individuals. Additional platforms are in various stages of development.

FreeBSD offers advanced networking, performance, security and compatibility features today which are still missing in other operating systems, even some of the best commercial ones.

BSD screenshotFreeBSD makes an ideal Internet or Intranet server. It provides robust network services under the heaviest loads and uses memory efficiently to maintain good response times for thousands of simultaneous user processes.


Click here to download FreeBSD

Debian Linux

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. Debian GNU/Linux provides more than a pure OS: it comes with over 18733 packages, precompiled software bundled up in a nice format for easy installation on your machine.




Click here to Download Debian

Fedora Linux

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. The Fedora Project is open and anyone is welcome to join.

Click here to Download Fedora


KNOPPIX is a bootable CD or DVD with a collection of GNU/Linux software, automatic hardware detection, and support for many graphics cards, sound cards, SCSI and USB devices and other peripherals. KNOPPIX can be used as a productive Linux desktop, educational CD, rescue system, or adapted and used as a platform for commercial software product demos. It is not necessary to install anything on a hard disk. Due to on-the-fly decompression, the CD can have up to 2 GB of executable software installed on it. (over 8 GB on the DVD “Maxi” edition).

Click here to download Koppix 


Mandriva Linux is a community-based Linux distribution, suitable for a wide range of situations from typical desktop use through development and server roles up to clustering.

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Mandriva Linux is based on the Cooker development project sponsored by Mandriva. Hundreds of passionate free software developers work openly on the core of the distribution. This open, community-driven development system has been in place since 1998, making it one of the longest-standing open source development communities around. The involvement of the Mandriva development community helps us to make Mandriva Linux one of the largest, most up-to-date, integrated, internationalized and standardized distributions available.

Click here to Download Mandriva 


Slackware Linux is a complete 32-bit multitasking “UNIX-like” system. It’s currently based around the 2.6 Linux kernel series and the GNU C Library version 2.7 (libc6). It contains an easy to use installation program, extensive online documentation, and a menu-driven package system.

A full installation gives you the X Window System, C/C++ development environments, Perl, networking utilities, a mail server, a news server, a web server, an ftp server, the GNU Image Manipulation Program, Mozilla Firefox, plus many more programs. Slackware Linux can run on 486 systems all the way up to the latest x86 machines (but uses -mcpu=i686 optimization for best performance on i686-class machines like the P3, P4, Duron/Athlon, and the latest multi-core x86 CPUs).

Click here to Download Slackware


Ubuntu is a community developed operating system that is perfect for laptops, desktops and servers. Whether you use it at home, at school or at work Ubuntu contains all the applications you’ll ever need, from word processing and email applications, to web server software and programming tools.

Ubuntu is and always will be free of charge. You do not pay any licensing fees. You can download, use and share Ubuntu with your friends, family, school or business for absolutely nothing.

Click here to Download Ubuntu

Click here to Order a Free CD (Free Shipping anywhere on the planet)

PS: This is by no means a complete list of Free operating systems… but that is all for today folks… I will be updating this list through out this week. My aim is to make this the best resource for finding a free alternative to Microsoft Windows and other proprietary Operating systems.


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How Should I describe me?... Well! I am a simple dude, who likes to indulge in intelligent conversation with an intelligent people, specially on technology topics hope you are one of them :p

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77 Responses to “List of Free Operating Systems: Download Now!”

  1. ashish says:

    looks cool , but the MAIN specifications shud b mentioned 2 make it easy 2 decide d one 2 download …. bt otherwise its awesome !!!

  2. sathish kumar a.r says:

    Very Good Information

  3. Asoka Dissanayake says:

    It will be useful if special features of each of these Operating Systems were listed (for example, compatibility with present-day browsers, etc.)

  4. aman says:

    well it really helped but the download speed is 2 cheesy, do something abt it…….or else it rockssssssssss

  5. nikhil says:

    really nice
    a valuable information

  6. Manoj says:

    Nice Information..
    Pl make comparable information so that people can compare the same & choose for them suitable OS.

  7. oasen says:

    does mac osx snow leopard will be compatible in hp pro book 4420s
    plz anybody can give me reply but recently it have pre installed windows 7 ultimate with 32 bit

  8. karuna says:

    Very Good information…..
    I want z/os .Please help me.

  9. deshpande says:

    Please give me Linux Red Hat 9.0

  10. @ Oasen – No you won’t be able to install a Mac operating system on a PC as they are two different types of hardware, therefore ‘mac’ software will be incompatable with PC’s and vice versa. You could however install a virtual computer on your system, (like Virtual Box) and then run whatever system you choose. I have VB installed in my PC and run several Linux based OS’s along with OSX and other Windows (build) OS’s.

  11. anil says:


  12. hasan_baraja says:

    We would like to operate windows linux. Would tou please let me know wheither are able to help us? Thanks a lots.

  13. Vishal says:

    Thanks for great information and download

  14. kabeercb says:

    i am using linux because it is free and friendly easy to use actually we are an agricultural family make all indipendently we wanted everything with own handmade use linux and tell your all friends for using linux it is devolop your mind as confident, free, self help and humanitty, and hate monopoly

  15. satyam says:

    i think ubuntu is better yhan xp

  16. This is a great list of Operating Systems. We will be using some of these for future projects.
    Computer Repair St Pete´s last [type] ..How hard is it to refill an ink toner cartridge

  17. Donald says:

    Nice packaged I will try a few of them, anything on Google ( Droid )? I hear there was a desktop OS out.

  18. …put more details so that users can understand what are you trying to say…

  19. jordan says:

    hey i am intrested in getting react OS or open solaris but i
    dont know with one to chose …any suggestions
    any way ive herd some badrap about linux free operating systems from some people considering its wide veriety of bugs running with the
    operating system my uncle installed ubuntu and it tore up his hole system

  20. RICK DAVIS says:


  21. atik says:

    plzzzzzzz add windows evolution xp or windows xp ice version plzzz add

  22. subrata says:

    please give me a open salaris new version operating system

  23. Aniruddha K Kulkarni says:

    Its very decent and glad to know that such decent people still exists on this planet and especially in the present world where there is no place for humanity. People make programs that destroy data and harm computer across the globe. Some people are distributing free Operating system Cd that is free from Viruses.. May god bless such people involved in doing noble deeds!!!! Iwould like to be associated with any such software project…my email id is

  24. yeorae says:

    ahhhhh…. do you, guys, have free kondara installer? it was based from redhat linux … i guess… ,please help, i just really need it

  25. Mke says:

    May be you will to give Free Windows a try. It is a new one, Linux-based OS. Free software and powerful antivirus are good benefits as well.


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