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TrueNAS CORE

Shares rank 4 of 5 NAS operating systems by recommenders

Free NAS operating system built on FreeBSD that a few people were glad to see; the most common caveat is withheld source and build scripts, and many are moving to Linux.

Free NAS operating system built on FreeBSD that a few people were glad to see; the most common caveat is withheld source and build scripts, and many are moving to Linux.

15 people gave an opinion

recommend it
5
criticize it
10
approval share
33%
Each figure is one person. RecommendsCriticizes

Recommended in 1 of 13 months

  1. November 2025: not recommended
  2. December 2025: not recommended
  3. January 2026: not recommended
  4. February 2026: not recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: not recommended
  10. August 2026: recommended
  11. September 2026: not recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 5 people recommend itNeeds 10 or more, not met.
  • 0.5 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 1 of 13 monthsNeeds 4 or more, not met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Free option some had hoped for

    “I gave up on any hope that something like this would come along”

    Comment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”
  • Good fit if FreeBSD matters

    “this is a good option if FreeBSD is important to you”

    Comment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

What people warn about

Each mark is one comment

  • Withholds source and build scripts

    “They do not give all of the code. If you have an object, and don't have everything needed to reproduce the object, then you have not been given the source to the object.”

    Comment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

    “recently stopped publishing their build scripts, intentionally making it harder to build their open source code”

    Comment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

    “They chose to base their enterprise on the work of others, only to pull the ladder up behind them.”

    Comment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”
  • Users switching to Linux

    “choosing to use something else rather than reward trunas for doing something I don't like”

    Comment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

    “switching from FreeBSD to Linux twice (TrueNAS CORE -> TrueNAS SCALE”

    Comment from 22 Jan 2026 in “FreeBSD”

    “Using TrueNAS CORE and OpnSense. Switch to Linux”

    Comment from 17 Mar 2026 in “I Love FreeBSD”
  • Few reasons to pick FreeBSD

    “I don't see why you'd use FreeBSD if you don't have a very specific reason”

    Comment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

    “it was the old freebsd base and not the |inux future”

    Comment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”
  • Core deprecated, stuck on FreeBSD 13

    “Core is deprecated and stuck on freebsd 13”

    Comment from 1 Nov 2025 in “An Introduction to OCI Containers on FreeBSD”

    “Unfortunately trunas core is dead now.”

    Comment from 23 Feb 2026 in “Back to FreeBSD: Part 1”

Other NAS operating systems people recommend

The four most recommended other NAS operating systems, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

TrueNAS CORE compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
TrueNAS483459%11——
Unraid20677%7—Approved
TrueNAS SCALE70100%7——
TrueNAS COREThis page51033%1——
OpenMediaVault5271%3——
See all 5 NAS operating systems, ranked

What people said

19 of the 22 comments that mention it, newest first. Each links to the original comment.

“elitist bs coming down from the top making this not a community effort but a product”

CriticizesComment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

“annoyed with the truenas closed source/hostility stuff as of late”

CriticizesComment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

“choosing to use something else rather than reward trunas for doing something I don't like”

CriticizesComment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

“They did something I don't approve of.”

CriticizesComment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

“they rely on tricky, concealed intentions, and rightfully deserve criticism.”

CriticizesComment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

“I don't see why you'd use FreeBSD if you don't have a very specific reason”

CriticizesComment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

“They chose to base their enterprise on the work of others, only to pull the ladder up behind them.”

CriticizesComment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

“it was the old freebsd base and not the |inux future”

CriticizesComment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

“Doesn't this violate the whole spirit of the GPL?”

CriticizesComment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

“They do not give all of the code. If you have an object, and don't have everything needed to reproduce the object, then you have not been given the source to the object.”

CriticizesComment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

“time to migrate from yet another was-open-source-now-only-technically-open-source software”

CriticizesComment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

“recently stopped publishing their build scripts, intentionally making it harder to build their open source code”

CriticizesComment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

“this is a good option if FreeBSD is important to you”

RecommendsComment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

“I gave up on any hope that something like this would come along”

MixedComment from 30 Aug 2026 in “FreeCORE TrueNAS Core – Continued”

“I was never able to get FreeBSD (TrueNAS CORE, OpnSense) to get anywhere near 10 Gbps.”

CriticizesComment from 7 Jul 2026 in “OpenWrt One – Open Hardware Router”

“Using TrueNAS CORE and OpnSense. Switch to Linux”

CriticizesComment from 17 Mar 2026 in “I Love FreeBSD”

“Unfortunately trunas core is dead now.”

CriticizesComment from 23 Feb 2026 in “Back to FreeBSD: Part 1”

“switching from FreeBSD to Linux twice (TrueNAS CORE -> TrueNAS SCALE”

CriticizesComment from 22 Jan 2026 in “FreeBSD”

“Core is deprecated and stuck on freebsd 13”

CriticizesComment from 1 Nov 2025 in “An Introduction to OCI Containers on FreeBSD”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.