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  • The XigmaNAS Project:
  • Michael Schneider
  • Michael Zoon
Stable release (9884) / 14 December 2023; 6 months ago (2023-12-14)
Operating systemFreeBSD
Available in
TypeComputer storage
LicenseBSD license

XigmaNAS is an open-source Network-attached storage (NAS) server software with a dedicated management web interface. It is a continuation of the original FreeNAS code, which was developed between 2005 and late 2011. It was released under the name NAS4Free on 22 March 2012.[1][2] The name was changed to XigmaNAS in July 2018. On SourceForge, it was elected “'Community Choice' Project of the Month” twice, in August 2015 and March 2017.[3]


XigmaNAS is an embedded open-source NAS software distribution based on the latest release of FreeBSD.[4][3]It is free software under the terms of the Simplified BSD license.[5] It was developed from the original FreeNAS 7 code and updated to work with current FreeBSD releases[1] while preserving FreeNAS’s original m0n0wall/PHP architecture and introducing experimental support for the ARM architecture.[6]

XigmaNAS supports sharing across Windows, Apple, and UNIX-like systems. It includes ZFS v5000, Software RAID (0,1,5), disk encryption, S.M.A.R.T., and email reports etc., with the following protocols: SMB, Samba Active Directory Domain Controller AD, FTP, NFS, TFTP, AFP, rsync, Unison (file synchronizer), iSCSI (initiator and target), HAST, CARP, Bridge, UPnP, and BitTorrent. All of this is configurable through its web interface.[citation needed]



The NAS4Free status page of the WebGUI

XigmaNAS is installable on almost any boot medium including LiveCD optionally with a small USB flash drive for config storage if necessary, both for x86-64 and x86-32 computer platforms up to version 10.3.[9] As of version 11.0, XigmaNAS no longer supports x86-32, but version 10.3 is still getting updates.[10] XigmaNAS can be installed on Compact Flash, USB flash drives, SSD, hard drives or other bootable devices, and supports advanced formatted drives using 4 kB sectors. The software distribution is currently distributed in ISO image (.iso, approximately 370 MB) or USB flash drive image (.img, approximately 320 MB) format, and in source form.[citation needed]

Preferred embedded installation[edit]

A special small footprint embedded image is also available (.img, approximately 150 MB).[10] The preferred method is the embedded installation onto a USB stick, Compact Flash card (CF), or HDD/SSD, for which XigmaNAS was designed. The XigmaNAS OS will load into system memory, eliminating system writes to a drive except for configuration changes written to an archive. Flash devices are more energy efficient and the updating process can be done by WebGUI in the browser, downloading and installing a new firmware image.[citation needed]


The original FreeNAS project derives from m0n0wall.[11]

The FreeNAS 0.7 branch was end-of-life'd in late 2011 after the FreeNAS name was legally acquired by iXsystems, Inc. Starting with version 8.x, new iXsystems developers rewrote FreeNAS and legacy FreeNAS 0.7 was no longer available for download.

The legacy FreeNAS 0.7 code was unable to be developed any longer under the same name, and a name change was necessary. The founder of FreeNAS (Olivier Cochard-Labbé) donated the original FreeNAS source code to the NAS4Free project. With the support of the former developers, namely Daisuke Aoyama and Michael Zoon, it carries on the original FreeNAS code base. FreeNAS 8.x.y and up is a software fork of the original FreeNAS with a new rewritten code base, continuing the old branded name.[1] In 2018, the project applied for the XigmaNAS trademark in order to protect the brand[12] prior to the release of v11.2.


The awards listed below are legacy FreeNAS ones.

See also[edit]


  1. ^ a b c "NAS4Free - The Free Network Attached Storage Project". The NAS4Free Project 2013. Retrieved 13 May 2013.
  2. ^ "NAS4Free as your cross-platform network filehub". podcasts. knightwise 2012. Retrieved 13 May 2013.
  3. ^ a b "March 2017, "Community Choice" Project of the Month – NAS4Free". sourceforge. Slashdot Media. March 2017. Retrieved 8 June 2017.
  4. ^ "General Information". NAS4Free. The NAS4Free Project 2013. Archived from the original on 28 October 2012. Retrieved 13 May 2013.
  5. ^ "LICENSE". NAS4Free Documentation. The NAS4Free Project 2013. Retrieved 13 May 2013.
  6. ^ "FreeNAS vs NAS4Free - High Level Comparison". freenas.org. iXsystems, Inc. Retrieved 8 June 2017.
  7. ^ As of 3/7/18, no i386 downloads are being offered any longer
  8. ^ As of September 18[when?], no ARM release was available
  9. ^ "nas4free [NAS4Free]". wiki.nas4free.org. Archived from the original on 8 May 2013. [user-generated source]
  10. ^ a b "Download NAS4Free 11.0". SourceForge & NAS4Free. Retrieved 30 November 2016.
  11. ^ "The Ars NAS distribution shootout: FreeNAS vs NAS4Free". 19 June 2014.
  12. ^ "Project is changed into XigmaNAS! - XigmaNAS". www.xigmanas.com. Archived from the original on 26 June 2019.
  13. ^ "Project of the Month, March 2017". SourceForge, Inc. March 2017. Retrieved 1 March 2017.
  14. ^ "Project of the Month, August 2015". SourceForge, Inc. August 2015. Retrieved 2 August 2015.
  15. ^ "Project of the Week May 2015". SourceForge, Inc. 18 May 2015. Retrieved 18 May 2015.
  16. ^ "FreeNAS is a Network-Attached Storage (NAS) server". VMware, Inc. Archived from the original on 5 May 2008. Retrieved 28 February 2008.
  17. ^ "Project of the Month January 2007". SourceForge, Inc. Archived from the original on 13 March 2008. Retrieved 28 February 2008.
  18. ^ "Best of open source in storage - 2007". InfoWorld. Retrieved 28 February 2008.

Further reading[edit]

Further readings prior to 2012 are referring to the legacy FreeNAS .07 precursor branch.

External links[edit]