Open Source Unraid AlternativesTop NAS Systems and other similar apps like Unraid

The best open source alternative to Unraid is TrueNAS. If that doesn't suit you, our users have ranked more than 25 alternatives to Unraid and 12 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Unraid are openmediavault, OpenZFS, Rockstor and XigmaNAS.

filter to find the best alternatives

Unraid alternatives are mainly NAS Systems, but if you're looking for Virtualization Tools or Operating Systems you can filter on that. Other popular filters include Free and Open Source. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Unraid.
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Alternatives list

  1. TrueNAS icon

    TrueNAS

     132 likes
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    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.

    23 TrueNAS alternatives

    Cost / License

    Application type

    Platforms

    • Linux
    • BSD
    • Self-Hosted
    TrueNAS screenshot 1
     
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    2
    19
    Comments about TrueNAS as an Alternative to Unraid
    Chemputer
    Positive
    3

    Since the previous comment, FreeNAS, now called TrueNAS has added support for VMs and Docker apps (though to setup a Docker environment, you must do so manually.) It has support for a plethora of things that competitors such as unraid does, such as plugins (for instance Plex, Nextcloud, Jenkins, and many others), ZFS, NAS, SMB, iSCSI, etc., and a very nice web GUI.

    Guest
    Negative
    -36

    Does not have built in functionality of virtual machines and "Docker" apps.

    Review by a new / low-activity user.
    Unraid Icon
    TrueNAS icon

    • Most users think TrueNAS is a great Unraid alternative.

    • TrueNAS is the most popular Linux & Self-Hosted alternative to Unraid.

    • TrueNAS is the most popular Open Source & free alternative to Unraid.

    • TrueNAS is Free and Open SourceUnraid is Paid and Proprietary
    • TrueNAS is Security-focusedUnraid is not according to our users
  2. openmediavault icon

    openmediavault

     105 likes
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    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
    openmediavault screenshot 1
     
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    1
    9
    Comments about openmediavault as an Alternative to Unraid
    Guest
    Negative
    -4

    OpenMediaVault lacks support for VM orchestration, among probably other things.

    Review by a new / low-activity user.
    Unraid Icon
    openmediavault icon

    • Most users think openmediavault is a great Unraid alternative.

    • openmediavault is Free and Open SourceUnraid is Paid and Proprietary
  4. OpenZFS icon

    OpenZFS

     6 likes
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    OpenZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    • BSD
    • FreeBSD
     
  5. Rockstor icon

    Rockstor

     15 likes
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    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

    • Freemium (Subscription)
    • Open Source (GPL-3.0)

    Application type

    Platforms

    • Self-Hosted
    Rockstor screenshot 1
     
  6. XigmaNAS icon

    XigmaNAS

     25 likes
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    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.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • BSD
    • Self-Hosted
    XigmaNAS screenshot 1
     
  9. Citrix Hypervisor icon

    Citrix Hypervisor

     22 likes
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    (formerly XenServer) Citrix Hypervisor is a leading virtualization management platform optimized for application, desktop and server virtualization infrastructures.

    Cost / License

    • Pay once
    • Open Source

    Application type

    Platforms

    • Windows
    • Linux
    • RadeonPro
    • NVIDIA vGPU
    • AMD MxGPU
    Citrix Hypervisor screenshot 1
     
  10. SnapRAID icon

    SnapRAID

     10 likes
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    Disk array backup with snapshot raid.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
     

  11. ESOS

     1 like
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    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...

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
     
  12. EasyNAS icon

    EasyNAS

     6 likes
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    It uses openSUSE Leap as a base with the Btrfs advanced file system. EasyNAS is managed through a web-based interface and offers such features as on-line growing of file systems, snapshots and copy-on-write.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    EasyNAS
     
  13. PetaSAN icon

    PetaSAN

     1 like
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    PetaSAN is an open source Scale-Out SAN solution offering massive scalability and performance. PetaSAN uses modern cloud based technologies to provide the elasticity and agility to scale up the storage cluster simply by adding more nodes.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    PetaSAN screenshot 1
     
  14. Greyhole icon

    Greyhole

     6 likes
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    Greyhole is an application that uses Samba to create a storage pool of all your available hard drives (whatever their size, however they're connected), and allows you to create redundant copies of the files you store, in order to prevent data loss when part of your hardware...

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
     
12 of 12 Unraid alternatives