Free ReactOS Alternatives for Windows

There are many alternatives to ReactOS for Windows if you are looking for a replacement. The best free Windows alternative is Revision (ReviOS), which is also Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to ReactOS and 11 are free and available for Windows so hopefully you can find a suitable replacement. Other interesting free Windows alternatives to ReactOS are HoloISO, AME Wizard, Windows 95 - Electron and ZealOS.

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Alternatives list

  1. AME Wizard icon
     10 likes

    AME Wizard is an opensource tool for modifying Windows.

    Build your own configuration for AME Wizard with Playbooks, a modular extension format containing simple YAML instructions to be applied. Verifying your Playbook allows you to build a trusted userbase. You can also browse t.

    16 AME Wizard alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Windows
     
  2. ZealOS icon
     2 likes

    The Zeal Operating System is a modernized, professional fork of the 64-bit Temple Operating System. Guiding principles of development include transparency, full user control, and adherence to public-domain/open-source implementations.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
     
  3. MINIX 3 icon
     10 likes

    MINIX is a POSIX-compliant Unix-like operating system based on a tiny microkernel running in kernel mode with the rest of the operating system running as a number of isolated, protected, processes in user mode.

    151 MINIX 3 alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
     
  4. BITS-PyOS icon
     1 like

    BIOS-Implementation-Test-Suite-Based Python Operating System.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Chrome OS
     
  5. DebianDog icon
     2 likes

    DebianDog is very small Debian Live CD shaped to look and act like Puppy Linux. Debian structure and Debian behaviour are untouched and Debian documentation is 100% valid for DebianDog. You have access to all debian repositories.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Debian
     
  6. illumos icon
     19 likes

    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.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
     
  7. Xinuos OpenServer™ 10 is a 64-bit operating system based on the popular FreeBSD and designed to support business applications within an enterprise environment.

    158 Xinuos OpenServer™ 10 alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
     
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