prom-alertmanagervsThumbor
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| prom-alertmanager | Thumbor | |
|---|---|---|
| Score | 73/100 | 72/100 |
| Rank in category | #14 of 104 in Monitoring & observability | #2 of 13 in Image Processing |
| GitHub stars | 8 676 | 10 528 |
| Stars, last 30 days | +49 | +6 |
| Stable releases, 12 months | 11 | 1 |
| Latest release | v0.34.1 · 17 Sept 2026 | 7.8.0 · 30 May 2026 |
| Setup | Moderate | Easy |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | MIT |
| Main language | Go | Python |
Which one should you pick?
prom-alertmanager scores 73/100 against 72/100 for Thumbor, so it is the safer default.
prom-alertmanager ships more often: 11 stable releases in the past year, against 1 for Thumbor.
If you want the quickest setup, Thumbor is easier to run; prom-alertmanager needs more configuration.
prom-alertmanager is growing faster right now (+49 stars in 30 days).
prom-alertmanager details →Thumbor details →
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