TrueNAS alternatives: 2 apps ranked by verified data
Common reasons people leave TrueNAS: ZFS pools are less flexible than Unraid for mixing drive sizes, and high availability and Fibre Channel need paid Enterprise hardware. We ranked 2 alternatives by how directly each one replaces TrueNAS, then by reviews, real visits and how recently each app's facts were checked against its own website. Unraid currently ranks first.
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Show all 2 alternativesThe best TrueNAS alternative for…
The highest-ranked app in this list for each need.
Best TrueNAS alternative for most people
UnraidLets you mix drives of different sizes and add them one at a time, with a big app catalog.
Best TrueNAS alternative for a free option
DebianBuild your own file server with ZFS or mdadm, Samba and Docker for full control.
Best TrueNAS alternative for open source
DebianBuild your own file server with ZFS or mdadm, Samba and Docker for full control.
Best TrueNAS alternative for self-hosting
UnraidLets you mix drives of different sizes and add them one at a time, with a big app catalog.
Best TrueNAS alternative for Linux
DebianBuild your own file server with ZFS or mdadm, Samba and Docker for full control.
TrueNAS alternatives: common questions
What is the best alternative to TrueNAS?
Unraid ranks first right now. Lets you mix drives of different sizes and add them one at a time, with a big app catalog.
Is there a free alternative to TrueNAS?
Yes. Debian (open source) has a free option. Check each app's verified facts for current plan limits.
Is there an open-source alternative to TrueNAS?
Yes: Debian.
Which TrueNAS alternatives work on Linux?
Debian runs on Linux.
Why do people switch from TrueNAS?
The complaints we hear most: ZFS pools are less flexible than Unraid for mixing drive sizes; high availability and Fibre Channel need paid Enterprise hardware; steeper learning curve than simpler NAS systems.
How is this list ranked?
Every app is scored with the same published formula: how directly it replaces TrueNAS, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.