XigmaNAS
XigmaNAS: A free ZFS NAS operating system with virtualization and extensive file services. Ranked #3 of 21 in NAS Software by our editors (8.6/10); pricing: Free plan; best for free ZFS NAS with virtualization.
At a glance
- Editor score8.6 / 10
- PricingFree plan
- Best forFree ZFS NAS with virtualization
- Free planYes
- Paid fromFree
- Storage poolsYes
- Founded2005
- Facts checked21 Sep 2026
Where it wins
- ZFS pools, software RAID, snapshots, and retention settings
- VirtualBox virtual machines plus FreeBSD jails and container extensions
- SMB/CIFS, NFS, FTP, SSH, iSCSI, and rsync services
Where it doesn't
- Requires user-provided hardware and self-hosted installation
- Platform options are limited to web administration and self-hosting
- No AI features or confirmed cloud-sync capability
Our verdict on XigmaNAS
XigmaNAS is a free, open-source network-attached storage operating system for home users and small businesses. It runs on user-provided hardware and provides web-based administration for storage, networking, access control, file sharing, monitoring, and related services. Its storage foundation includes ZFS pools, software RAID, point-in-time snapshots with retention settings, and Unix/POSIX users, groups, and permissions. LiveCD and LiveUSB installation options support embedded and full installation modes.
For storage and virtualization, XigmaNAS covers more than basic file sharing. It supports SMB/CIFS, NFS, FTP, SSH, iSCSI, and rsync, giving administrators several ways to expose files, block storage, and transfer services across a network. VirtualBox-based virtual machine hosting adds a virtualization option, while FreeBSD jails and container management extensions support additional workloads. These capabilities make it a strong fit for buyers who want ZFS protection and virtualization in one self-hosted system.
The main trade-off is focus. XigmaNAS is designed around a web-managed, self-hosted NAS rather than a broader multi-platform service, and it does not include AI features. Installation and operation also depend on hardware supplied and managed by the buyer. Choose XigmaNAS if free, open-source storage with ZFS, snapshots, permissions, file protocols, and virtualization matches your environment. Buyers seeking a wider platform ecosystem or AI-assisted functionality should consider an alternative.
Your product? Our editors can test XigmaNAS in depth and publish a review, labelled as paid · from $149/mo →
XigmaNAS pricing
XigmaNAS fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Storage pools | Yes |
| User management | Yes |
| Snapshots | Yes |
| App catalog | Not verified |
| Container support | Yes |
| Virtual machines | Yes |
| Cloud sync | Not verified |
| Deployment | Self-hosted |
| Platforms | Web |
| Support | Community, Docs |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | xigmanas.com |
| Facts checked | 21 Sep 2026 |
Alternatives to XigmaNAS
- TrueNASA free, full-featured ZFS NAS for labs, businesses, and enterprise environments.9.2
- openmediavaultA capable, extensible Linux NAS for self-hosters who want control over services and storage.8.8
- StarWind SAN & NASA virtualization-oriented shared-storage platform with broad protocol and hypervisor support.8.0
See all XigmaNAS alternatives →
XigmaNAS vs the competition
- XigmaNAS vs TrueNAS
- XigmaNAS vs openmediavault
- XigmaNAS vs StarWind SAN & NAS
- XigmaNAS vs Open-E JovianDSS
- XigmaNAS vs ZimaOS
- XigmaNAS vs TurnKey File Server
Compare XigmaNAS with any tool side by side →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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