Best OpenNAS Alternatives in 2026
Updated
20 tools from NAS software ranked against OpenNAS on the same published basis.
- 1OpenNAS vs napp-it
- 2OpenNAS vs ZimaOS
- 3OpenNAS vs TrueNAS
- 4OpenNAS vs OSNEXUS QuantaStor
- 5OpenNAS vs DPlaneOS
- 6OpenNAS vs NovaNAS
- 7OpenNAS vs Rockstor
- 9OpenNAS vs KitchenAsty
- 10OpenNAS vs openmediavault
- 11OpenNAS vs XigmaNAS
- 12OpenNAS vs Synology Active Backup for SaaS
- 13OpenNAS vs StarWind SAN & NAS
- 14OpenNAS vs PetaSAN
- 15OpenNAS vs SoftNAS
- 16OpenNAS vs Unraid USB Creator
- 17OpenNAS vs ZetaNAS
- 18OpenNAS vs NexentaStor
- 19OpenNAS vs Open-E JovianDSS
- 20OpenNAS vs HexOS
- 21OpenNAS vs TurnKey File Server
OpenNAS alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | napp-it | 7.9 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 2 | ZimaOS | 7.9 | Free plan | Free | Android, API, Browser, iOS, Linux, Mac, self-hosted, Web, Windows |
| 3 | TrueNAS | 7.8 | Free plan | Free | Android, API, iOS, Linux, Mac, self-hosted, Web, Windows |
| 4 | OSNEXUS QuantaStor | 7.7 | Free plan | Free | API, Linux, self-hosted, Web, Windows |
| 5 | DPlaneOS | 7.4 | Free plan | Free | API, Linux, self-hosted, Web |
| 6 | NovaNAS | 7.2 | Free plan | Free | API, Linux, self-hosted, Web |
| 7 | Rockstor | 7.2 | No | — | API, Linux, Mac, self-hosted, Web, Windows |
| 9 | KitchenAsty | 6.9 | No | — | Android, API, iOS, self-hosted, Web |
| 10 | openmediavault | 6.8 | Free plan | Free | API, Linux, self-hosted |
| 11 | XigmaNAS | 6.8 | Free plan | Free | self-hosted, Web |
| 12 | Synology Active Backup for SaaS | 6.6 | Free plan | Free | self-hosted |
| 13 | StarWind SAN & NAS | 6.0 | No | — | Web, Linux |
| 14 | PetaSAN | 5.9 | No | — | Web, Linux |
| 15 | SoftNAS | 5.9 | No | — | Web, Linux |
| 16 | Unraid USB Creator | 5.9 | No | — | Windows, Mac, Linux |
| 17 | ZetaNAS | 5.9 | No | — | Web |
| 18 | NexentaStor | 5.8 | No | — | Web |
| 19 | Open-E JovianDSS | 5.8 | No | — | Linux |
| 20 | HexOS | 5.7 | No | — | Web |
| 21 | TurnKey File Server | 5.7 | No | — | Linux |
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Questions about OpenNAS alternatives
What is the best alternative to OpenNAS?
napp-it, number 1 in NAS software with a score of 7.9 out of 10. The others here: ZimaOS, TrueNAS, OSNEXUS QuantaStor and 16 more.
What is the best free alternative to OpenNAS?
napp-it is the best-ranked alternative with a free plan. 9 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.