Best ObservabilityOS Alternatives in 2026
Updated
18 apps from anomaly detection software ranked against ObservabilityOS on the same published basis.
- 1ObservabilityOS vs ManageEngine NetFlow Analyzer
- 2ObservabilityOS vs OpenSearch
- 3ObservabilityOS vs PyOD
- 4ObservabilityOS vs Anomalib
- 5ObservabilityOS vs PySAD
- 6ObservabilityOS vs Soda
- 7ObservabilityOS vs Axomaly
- 8ObservabilityOS vs Metaplane
- 10ObservabilityOS vs Corelight Open NDR
- 11ObservabilityOS vs OpenUBA
- 12ObservabilityOS vs Securonix UEBA
- 13ObservabilityOS vs Vectra AI Identity Threat Detection and Response
- 14ObservabilityOS vs Anomalo
- 15ObservabilityOS vs Anodot
- 16ObservabilityOS vs ExtraHop RevealX
- 17ObservabilityOS vs rrcf
- 18ObservabilityOS vs Darktrace / EMAIL
- 19ObservabilityOS vs Progress Flowmon
ObservabilityOS alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | ManageEngine NetFlow Analyzer | 6.6 | Free plan | $172/mo | Android, iOS, Linux, Web, Windows |
| 2 | OpenSearch | 6.6 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 3 | PyOD | 6.6 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 4 | Anomalib | 6.5 | Free plan | Free | Linux, self-hosted, Web, Windows |
| 5 | PySAD | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 6 | Soda | 6.5 | Free plan | $750/mo | API, Linux, self-hosted, Web |
| 7 | Axomaly | 6.4 | Free plan | Free | API, Web |
| 8 | Metaplane | 6.4 | Free plan | Free | API, Web |
| 10 | Corelight Open NDR | 5.5 | No | — | API, Linux, self-hosted, Web |
| 11 | OpenUBA | 5.5 | No | — | API, self-hosted, Web |
| 12 | Securonix UEBA | 5.4 | No | — | Web |
| 13 | Vectra AI Identity Threat Detection and Response | 5.4 | No | — | API, Web |
| 14 | Anomalo | 5.2 | No | — | Web |
| 15 | Anodot | 5.1 | No | — | Web |
| 16 | ExtraHop RevealX | 5.1 | No | — | API, Linux, self-hosted, Web |
| 17 | rrcf | 5.1 | No | — | — |
| 18 | Darktrace / EMAIL | 5.0 | No | — | API, Web |
| 19 | Progress Flowmon | 4.7 | No | — | Web |
Make your app 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 6.6 out of 10. The others here: OpenSearch, PyOD, Anomalib 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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.