Best ObservabilityOS Alternatives in 2026
Updated
18 tools from anomaly detection software ranked against ObservabilityOS on the same published basis.
- 1ObservabilityOS vs ManageEngine NetFlow Analyzer
- 2ObservabilityOS vs Metaplane
- 3ObservabilityOS vs OpenSearch
- 4ObservabilityOS vs PyOD
- 5ObservabilityOS vs Anomalib
- 6ObservabilityOS vs PySAD
- 7ObservabilityOS vs Soda
- 9ObservabilityOS vs Axomaly
- 10ObservabilityOS vs ExtraHop RevealX
- 11ObservabilityOS vs Corelight Open NDR
- 12ObservabilityOS vs OpenUBA
- 13ObservabilityOS vs Vectra AI Identity Threat Detection and Response
- 14ObservabilityOS vs Securonix UEBA
- 15ObservabilityOS vs Darktrace / EMAIL
- 16ObservabilityOS vs Anomalo
- 17ObservabilityOS vs Anodot
- 18ObservabilityOS vs rrcf
- 19ObservabilityOS vs Progress Flowmon
ObservabilityOS alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | ManageEngine NetFlow Analyzer | 7.3 | Free plan | $172/mo | Android, iOS, Linux, Web, Windows |
| 2 | Metaplane | 7.3 | Free plan | Free | API, Web |
| 3 | OpenSearch | 7.3 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 4 | PyOD | 7.3 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 5 | Anomalib | 7.2 | Free plan | Free | Linux, self-hosted, Web, Windows |
| 6 | PySAD | 7.1 | Free plan | Free | Linux, Mac, Windows |
| 7 | Soda | 7.1 | Free plan | $750/mo | API, Linux, self-hosted, Web |
| 9 | Axomaly | 6.8 | Free plan | Free | API, Web |
| 10 | ExtraHop RevealX | 6.8 | No | — | API, Linux, self-hosted, Web |
| 11 | Corelight Open NDR | 6.7 | No | — | API, Linux, self-hosted, Web |
| 12 | OpenUBA | 6.7 | No | — | API, self-hosted, Web |
| 13 | Vectra AI Identity Threat Detection and Response | 6.7 | No | — | API, Web |
| 14 | Securonix UEBA | 6.6 | No | — | Web |
| 15 | Darktrace / EMAIL | 6.3 | No | — | API, Web |
| 16 | Anomalo | 5.8 | No | — | Web |
| 17 | Anodot | 5.6 | No | — | Web |
| 18 | rrcf | 5.6 | No | — | — |
| 19 | Progress Flowmon | 5.5 | No | — | Web |
Make your tool an alternative to ObservabilityOS
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about ObservabilityOS alternatives
What is the best alternative to ObservabilityOS?
ManageEngine NetFlow Analyzer, number 1 in anomaly detection software with a score of 7.3 out of 10. The others here: Metaplane, OpenSearch, PyOD and 14 more.
What is the best free alternative to ObservabilityOS?
ManageEngine NetFlow Analyzer is the best-ranked alternative with a free plan. 8 of the 18 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.