Unraid AlternativesOnly Free apps categorised as NAS Systems

The best free NAS alternative to Unraid is TrueNAS, which is also Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Unraid and 12 are free NAS Systems so hopefully you can find a suitable replacement. Other interesting free NAS System alternatives to Unraid are openmediavault, ZimaOS, Rockstor and XigmaNAS.

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Alternatives list

  1. TrueNAS icon
     138 likes

    TrueNAS (formerly FreeNAS) is an operating system that can be installed on virtually any hardware platform to share data over a network. TrueNAS is the simplest way to create a centralized and easily accessible place for your data.

    24 TrueNAS alternatives

    Cost / License

    Application type

    Platforms

    • Linux
    • BSD
    • Self-Hosted
     
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  2. openmediavault icon
     106 likes

    openmediavault is the next generation network attached storage (NAS) solution based on Debian Linux. It contains services like SSH, (S)FTP, SMB/CIFS, DAAP media server, RSync, BitTorrent client and many more. It can be enhanced via plugins.

    17 openmediavault alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • Self-Hosted
     
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    1
  3. ZimaOS icon
     6 likes

    A simplified, focused and open NAS OS that supports all X86-64 hardware.

    8 ZimaOS alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Self-Hosted
     
  4. Rockstor icon
     16 likes

    Rockstor is a free and open source NAS (Network Attached Storage) operating system. It’s a software solution and can be installed on commodity hardware or a hypervisor satisfying minimum system requirements.

    Cost / License

    Application type

    Platforms

    • Self-Hosted
     
  5. XigmaNAS icon
     26 likes

    XigmaNAS (formerly NAS4Free) is an embedded Open Source Storage NAS (Network-Attached Storage) distribution based on FreeBSD. This project is a continuation of TrueNAS 7 series project.

    19 XigmaNAS alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • BSD
    • Self-Hosted
     
  6. Western Digital My Cloud is an easy-to-use personal cloud storage device that plugs directly into your Wi-Fi router at home so you can preserve your digital life. Use the My Cloud app on your phone, tablet or computer to access it anywhere without paying a subscription fee.

    18 Western Digital My Cloud alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  7. What is EON? Embedded Operating system/Networking is a small operating system, built on Solaris, designed to store any amount of digital data on Intel/AMD (x86) hardware, using the amazing, enterprise class Zettabyte File System.

    Why use EON? Because it offers rock solid, reliab.

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Platforms

    • Linux
     
  8. napp-it icon
     2 likes

    A napp-it is a high-quality block- and filestorage on common and favourable server hardware from ex. DataOn, Dell, HP or SuperMicro paired with a solid server OS (preferable Omnios/ OI/ Solaris but now with ZFS and job/ snap management on Linux) with an easy online installer...

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Linux
    • OpenIndiana
     
  9. Open-E Data Storage Software V7 SOHO (Small Office Home Office) is a free version of Open-E DSS V7, previously known as Open-E DSS V7 Lite. With SOHO, you can take advantage of basic functionalities of our fully featured NAS / SAN software...

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Linux
     
  10.  2 likes

    Enterprise Storage OS® is a quasi Linux distribution based on the excellent SCST project; its purpose is to provide SCSI targets via a compatible SAN (Fibre Channel, InfiniBand, iSCSI, FCoE). In a nutshell, ESOS® can easily turn a server with the appropriate hardware...

    23 ESOS alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
     
  11. NASty icon
     Like

    NASty is a NAS operating system built on NixOS and bcachefs. It turns commodity hardware into a storage appliance serving NFS, SMB, iSCSI, and NVMe-oF — managed from a single web UI, updated atomically, and rolled back when things go sideways.

    Cost / License

    Platforms

    • Linux
    • Self-Hosted
     
12 of 12 Unraid alternatives