TrueNAS Community Edition is free, open storage software that provides file, block, and object storage through one interface.
Best NAS Software in 2026
A NAS setup can serve as shared storage and a platform for other workloads. To compare software for yours, look at storage pools, snapshots, user management and the app catalog, then check container support and virtual machines if you plan to use them. Cloud sync, free-plan availability and starting prices also help distinguish the options. ZimaOS and TrueNAS are among the opening entries, as is napp-it. Consider…
ZimaOS is a NAS operating system for x86-64 hardware, combining file management, storage, backups, and apps.
Synology Active Backup for SaaS backs up Microsoft 365 and Google Workspace data to Synology NAS servers, so data can be recovered after loss or service downtime.
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KitchenAsty
KitchenAsty is an open-source platform that restaurants host on their own server or cloud instance for online ordering, kitchen operations,…
AndroidiOSWebAPI6.6 - 5
napp-it
napp-it is a client-server web GUI for managing storage across a machine or a fleet of servers.
Free planWebAPILinuxmacOS6.6Free plan - 6
SoftNAS
SoftNAS is software-defined network attached storage for enterprise cloud storage workloads, aimed at hybrid and multi-cloud deployments needing shared file storage.
WebAPILinuxSelf-hosted6.6From $0.13 a month - 7
NovaNAS
NovaNAS is a free, open-source NAS operating system managed through a desktop-like web interface.
Free planWebAPILinuxSelf-hosted6.5Free plan - 8
ZetaNAS
ZetaNAS is an open-source network-attached storage system for SMBs, startups, and teams using AI or machine-learning workloads.
Free planWebSelf-hosted6.5From $99 a month - 9
OSNEXUS QuantaStor
OSNEXUS QuantaStor is a software-defined storage platform for file, block and object storage managed in a single grid.
Free planWebAPILinuxSelf-hosted6.4Free plan - 10
Unraid USB Creator
Unraid USB Creator prepares a USB flash drive that can boot a server into Unraid setup.
LinuxmacOSWindows6.4$49 one-time - 11
NexentaStor
NexentaStor is software-defined storage that combines file services over NFS and SMB with block services over Fibre Channel and iSCSI.
WebAPILinuxSelf-hosted6.3 - 12
Open-E JovianDSS
Open-E JovianDSS is Linux- and ZFS-based software-defined storage for NAS, SAN, backup, business continuity, and disaster recovery.
LinuxSelf-hosted6.3From $340 a year - 13
DPlaneOS
DPlaneOS is a storage operating system for homelab and small-office NAS deployments, built around ZFS.
Free planWebAPILinuxSelf-hosted6.1Free plan - 14

OpenNAS
OpenNAS is a free NAS operating system for managing files, storage, containers, and virtual machines through a browser-based desktop on your own hardware.
Free planWebLinuxSelf-hosted6.1Free plan - 15
PetaSAN
PetaSAN is an open-source, scale-out software-defined storage solution licensed under AGPL 3.
Free planWebLinuxSelf-hosted6.0Free plan - 16
Rockstor
Rockstor is an open-source Linux and BTRFS system for network attached storage and private cloud storage, managed through a web interface.
WebAPILinuxmacOS6.0 - 17

XigmaNAS
XigmaNAS is a free, open-source operating system for creating a network-attached storage server.
Free planWebSelf-hosted6.0Free plan - 18
openmediavault
openmediavault is a free Debian Linux system for network-attached storage, designed mainly for small and home offices.
Free planAPILinuxSelf-hosted5.9Free plan - 19
TurnKey File Server
TurnKey File Server is a free, ready-to-use Linux appliance for network attached storage.
Free planLinuxSelf-hosted5.9Free plan - 20
HexOS
HexOS turns user-selected hardware into a private home server for storage, streaming, virtual machines, and other applications.
WebSelf-hosted5.8 - 21
StarWind SAN & NAS
StarWind SAN & NAS turns one server or a group of servers into shared storage, deployed as a virtual machine or on bare metal.
WebLinuxSelf-hosted5.4

