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XigmaNAS - The Free Network Attached Storage Project

 XigmaNAS logo XigmaNAS is an embedded Open Source Storage NAS (Network-Attached Storage) distribution designed for home users and small businesses primarily, but could scale to large projects.

The XigmaNAS operating system can be installed on virtually any hardware platform to share computer data storage over a computer network. 'NAS' as in “Network-Attached Storage” and '4Free' as in 'Free and open source', XigmaNAS is the simplest and fastest way to create an centralized and easily-accessible server for all kinds of data easily accessed with all kinds of network protocols and from any network.


Some users assume that XigmaNAS is a “fork” of FreeNAS. This is absolutely NOT the case. XigmaNAS is the direct continuation of the original FreeNAS code that was under development from 2005 till 2011 under the name FreeNAS with contributions from our team. it's Our team who did made FreeNAS famous around the globe with the regular releases of the FreeNAS 7 series we did made for you!

After the FreeNAS name was legally acquired by iXsystems, Inc. (year 2011), this original code was unable to be developed any longer under the same brand name, for this a name change was necessary. The founder of FreeNAS (Olivier Cochard-Labbé) donated us the copyright protected source code that IXsystems could not use for their releases. IXsystems forbid us to release new builds based on the original code under their new acquired brand name. Because of the code copyright that was not handed over to IXsystems a full rewrite for FreeNAS was needed. FreeNAS 8 by IXsystems was born on May of 2011, it was their first product. To continue our only option was to leave the FreeNAS project after so many years and to continue under our own new name: NAS4Free.

At the time we began publishing the new name and development restarted, we took the opportunity to upgrade the base system as well. XigmaNAS went up from FreeBSD 7 to the latest FreeBSD releases, allowing support for a lot of newer hardware too. This brought us great advances in the ZFS file system as well. All these changes should vastly increase our ability to offer you an even better NAS system than ever before. The first release under the new brandname NAS4Free was done on date 2012-03-22 providing you the first of the NAS4Free series. In late 2017 we have filed the trademark for the final name XigmaNAS.

XigmaNAS is intended to be installed, most often, in its Embedded form. This provides the installed system a high degree of damage resistance (against accidental or intentional tampering) and allows you to update VERY easily. Full installs do NOT have this resistance to any kind of damage!.


The power of XigmaNAS's configuration is its fast responsive WebGUI. It simplifies administrative tasks so that almost any user can manage their system with ease.

XigmaNAS supports sharing with UNIX-like, Apple, and Windows systems (and others that use compatible network protocols).

Some supported protocols include: CIFS/SMB (Samba), Active Directory Domain Controller (Samba), FTP, NFS v4, TFTP, AFP, RSYNC, Unison, iSCSI (initiator and target), UPnP, Bittorent and Bridge, CARP and HAST protocols.

It supports ZFS, Software RAID (0,1,5), JBOD, UFS, Disk Encryption, and S.M.A.R.T with Email notifications. And for the most advanced users under us, you can also use the integrated virtualbox-ose to run virtual machines managed by noVNC and phpvirtualbox.

XigmaNAS can be booted of from a LiveCD or LiveUSB, and optionally installed on Compact Flash, USB flash drive, SSD, Hard drive or a number of other bootable devices. (NAS4Free also supports advanced formated drives using 4kb sectors)

Current Releases

NAS4Free is build on FreeBSD 11.1 for series, we only offer you 64-bits versions! XigmaNAS build on FreeBSD 11.2 for series are coming soon!

We also have thought about all FreeNAS 7 users. (Note: All current FreeNAS 7 users can easy migrate using our releases) Save your config and install XigmaNAS. Only what is left now is to restore your saved config in the webgui.

See our Download Options (before downloading anything)

With over 2.500.000 downloads to date, we offer you our latest releases:

NEW current Release: 2018-06-29:

Unless you know WHY you're downloading the embedded.img.xz file, then you really don't want the embedded.img.xz file. You need the LiveCD/LiveUSB for the initial embedded installation!

Latest Beta release: 2018-05-19: Download Options (read before downloading anything)

  • Upgraded FreeBSD to 11.2-RC2

Latest ARM release: 2017-08-19:

  • Sorry, no new versions at this time.
  • Always Read the readme.txt before you download and install, it often contains very important information!

The XigmaNAS team hopes you enjoy your experience with our software and that it is the perfect NAS solution for your home or business!




In the IRC channel, don't ask if anyone can help you, wait 1 minute, and then leave. That helps nobody.

Just ask the question(s) you really have.
If someone can help, then sooner or later you'll get a response. (may take over an hour) A lot of people idle in the IRC channel, and just never leave, but that doesn't mean that they'll be available to help immediately. If you don't or can't just ask your questions and wait around for an answer, the IRC channel may not be a good option for you.

XigmaNAS in the Media

Partners & Sponsors of XigmaNAS

*Listed in alphabetical order:

Aspen Systems inc. (USA)

Jet Stream (USA)

  • Jet Stream : Leaders in video surveillance management and storage.

Hardware Donations

A big thank you goes to Andrew from CwLinux Limited, who donated a nice CW12832 128×32 Graphical LCD screen.

If you would like to add your company or need more info, please contact

  • FreeNAS : NanoBSD based NAS OS developed by iXsystems, Inc. (since late 2011 started from FreeNAS 8 and up)
  • OpenMediaVault : NAS Project based on Debian
index.txt · Last modified: 2018/12/23 04:42 by zoon01

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