Best OpenNAS Alternatives in 2026
Updated
20 apps from NAS software ranked against OpenNAS on the same published basis.
- 1OpenNAS vs TrueNAS
- 2OpenNAS vs ZimaOS
- 3OpenNAS vs napp-it
- 4OpenNAS vs NovaNAS
- 5OpenNAS vs OSNEXUS QuantaStor
- 6OpenNAS vs DPlaneOS
- 8OpenNAS vs openmediavault
- 9OpenNAS vs Rockstor
- 10OpenNAS vs XigmaNAS
- 11OpenNAS vs KitchenAsty
- 12OpenNAS vs Synology Active Backup for SaaS
- 13OpenNAS vs StarWind SAN & NAS
- 14OpenNAS vs Unraid USB Creator
- 15OpenNAS vs PetaSAN
- 16OpenNAS vs ZetaNAS
- 17OpenNAS vs NexentaStor
- 18OpenNAS vs Open-E JovianDSS
- 19OpenNAS vs SoftNAS
- 20OpenNAS vs TurnKey File Server
- 21OpenNAS vs HexOS
OpenNAS alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | TrueNAS | 7.6 | Free plan | Free | Android, API, iOS, Linux, Mac, self-hosted, Web, Windows |
| 2 | ZimaOS | 7.6 | Free plan | Free | Android, API, Browser, iOS, Linux, Mac, self-hosted, Web, Windows |
| 3 | napp-it | 7.4 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 4 | NovaNAS | 7.1 | Free plan | Free | API, Linux, self-hosted, Web |
| 5 | OSNEXUS QuantaStor | 7.1 | Free plan | Free | API, Linux, self-hosted, Web, Windows |
| 6 | DPlaneOS | 7.0 | Free plan | Free | API, Linux, self-hosted, Web |
| 8 | openmediavault | 6.8 | Free plan | Free | API, Linux, self-hosted |
| 9 | Rockstor | 6.8 | No | — | API, Linux, Mac, self-hosted, Web, Windows |
| 10 | XigmaNAS | 6.8 | Free plan | Free | self-hosted, Web |
| 11 | KitchenAsty | 6.7 | No | — | Android, API, iOS, self-hosted, Web |
| 12 | Synology Active Backup for SaaS | 6.6 | Free plan | Free | self-hosted |
| 13 | StarWind SAN & NAS | 5.8 | No | — | Web, Linux |
| 14 | Unraid USB Creator | 5.8 | No | — | Windows, Mac, Linux |
| 15 | PetaSAN | 5.7 | No | — | Web, Linux |
| 16 | ZetaNAS | 5.7 | No | — | Web |
| 17 | NexentaStor | 5.6 | No | — | Web |
| 18 | Open-E JovianDSS | 5.6 | No | — | Linux |
| 19 | SoftNAS | 5.6 | No | — | Web, Linux |
| 20 | TurnKey File Server | 5.6 | No | — | Linux |
| 21 | HexOS | 5.5 | No | — | Web |
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Questions about OpenNAS alternatives
What is the best alternative to OpenNAS?
TrueNAS, number 1 in NAS software with a score of 7.6 out of 10. The others here: ZimaOS, napp-it, NovaNAS and 16 more.
What is the best free alternative to OpenNAS?
TrueNAS 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: documentation depth, a free tier and the platforms it runs on.