In Monitoring & Observability Tools

What are the best open-source monitoring tools?

EditionNov 11, 2026Asked on 6 AI surfacesv5.0

AI Visibility Ranking

Brands ordered by GenRank score for this question.

DirectionalQuestion-level figures rest on at most 6 answers per brand, so treat them as direction, not a verdict; the category ranking is the number to judge by. Scores are for the week of 2026-11-08.

RankBrandNamed byScore
1Prometheus6/696.4
2Grafana6/673.7
3Zabbix5/657.7
4Netdata6/653.7
5Uptime Kuma5/650.8
6SigNoz5/644.9
7Nagios Core3/629.5
8LibreNMS3/626.0
9Jaeger4/625.5
10OpenTelemetry3/624.2

Sources these answers cited

The sites each surface's answer cited this week. The logos are the surfaces that cited the site.

SourceCited by
openobserve.aiTop 10 Open Source Monitoring Tools in 2026: OpenObserve, Prometheus ...2 surfaces
opensourcealternatives.toBest Open Source Monitoring Tools in 20262 surfaces
signoz.ioSigNoz | The Open Source Datadog Alternative2 surfaces
uptimerobot.comBest Open Source Website Monitoring Tools in 2026 - UptimeRobot Knowledge Hub2 surfaces
zabbix.com1 Introduction2 surfaces
chronosphere.ioThe top open source observability tools1 surfaces
codilime.comThe Popular Open-Source Monitoring Tools You Should Know1 surfaces
comparitech.com5 Best Open-Source Network Monitoring Tools for 2026 with Links1 surfaces
devhelm.ioBest Open Source Monitoring Tools in 2026: 7 Self-Hosted Options ...1 surfaces
devopscube.com28 Best Open Source & Free Monitoring Tools in 2026 - DevOpsCube1 surfaces
en.wikipedia.orgreference · Zabbix1 surfaces
fosslinux.comTop 15 open source monitoring tools for IT professionals1 surfaces

13 more

Rank trend

Rank trends are drawn once two weekly editions under the same methodology exist. Only the first edition is in so far.