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Compare Datadog alternatives
Open-source options beside a commercial column for Datadog. Facts come from project records, not vendor marketing.
| Attribute | Uptime Kuma | Prometheus | Datadog |
|---|---|---|---|
| GitHub stars | 91,999 | 66,336 | — |
| License | MIT | Apache-2.0 | Proprietary |
| Self-hosted | Yes | Yes | No |
| Docker noted | Yes | — | — |
| Cloud / hosted | — | — | Yes |
| Primary language | JavaScript | Go | — |
| Last commit | 2026-10-01 | 2026-09-30 | — |
| Difficulty | Easy | Advanced | — |
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Not a sponsored ranking. Repository activity is a signal, not a quality guarantee.