OpenSearchvsprom-alertmanager
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| OpenSearch | prom-alertmanager | |
|---|---|---|
| Score | 76/100 | 73/100 |
| Rank in category | #7 of 41 in Search Engines | #14 of 104 in Monitoring & observability |
| GitHub stars | 13 923 | 8 676 |
| Stars, last 30 days | +158 | +49 |
| Stable releases, 12 months | 11 | 11 |
| Latest release | 2.19.7 · 17 Oct 2026 | v0.34.1 · 17 Sept 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | Apache-2.0 |
| Main language | Java | Go |
Which one should you pick?
OpenSearch scores 76/100 against 73/100 for prom-alertmanager, so it is the safer default.
OpenSearch is growing faster right now (+158 stars in 30 days).
OpenSearch details →prom-alertmanager details →
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