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XigmaNAS vs Rockstor: catalog facts
XigmaNAS	Rockstor
Free Free and open source.	Free Open source; the project also offers commercial support options.
Linux, Self-hosted	Linux, Self-hosted
Broad protocol support for CIFS, NFS, iSCSI and more from a single install Runs on generic hardware rather than being locked to a vendor's appliance	Multi-arch and Btrfs-based, giving snapshot and replication features without proprietary lock-in Application framework lets users extend the NAS with additional services
Smaller community and slower feature pace than TrueNAS FreeBSD base means less familiar tooling for Linux-only admins	Smaller community and plugin ecosystem than TrueNAS or OpenMediaVault Btrfs still requires more care around RAID levels than mature ZFS setups
Self-hosted, Downloadable app	Self-hosted, Downloadable app
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.