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Monitoring

APM, logging, error tracking, uptime

Reviewed byRoman Kยท 2026-05-06

9 monitoring tools currently tracked: 6 open source, 3 with a managed free tier, 0 paid-only.

By GitHub activity the most popular is Grafana (74.6k stars).

Cheapest paid plan in the list starts at $15/mo (Datadog).