Top 50 Observability Tools — May 2026

This observability list is based on the supplied May 2026 ToolVitals rankings. It covers tools for website change detection, observability platforms, monitoring, profiling, logging, tracing, uptime, and incident management, with each entry carrying a ToolVitals score, health score, shipping score, GitHub stars, and status.

The ranking approach puts ToolVitals score first, then uses GitHub stars as the secondary popularity signal when scores tie. In this dataset, several tools share the same ToolVitals score, so GitHub stars determine their order within that group.

Rankings

Rank	Tool	Health	Shipping	GitHub Stars	Score	Status
1	changedetection.io	95	100	31331	94	🟢 Excellent
2	SigNoz	100	100	26765	94	🟢 Excellent
3	OpenObserve	100	100	18706	94	🟢 Excellent
4	VictoriaMetrics	100	100	16937	94	🟢 Excellent
5	HyperDX	92	100	9479	94	🟢 Excellent
6	OpenLLMetry	97	100	7065	94	🟢 Excellent
7	OneUptime	97	100	6924	94	🟢 Excellent
8	Scanopy	92	100	4863	94	🟢 Excellent
9	Tianji	91	100	3035	94	🟢 Excellent
10	Laminar	97	100	2830	94	🟢 Excellent
11	OpenLIT	92	100	2413	94	🟢 Excellent
12	Parseable	92	100	2366	94	🟢 Excellent
13	Maintenant	89	100	231	94	🟢 Excellent
14	Centreon	95	100	150	94	🟢 Excellent
15	Traceway	89	100	102	94	🟢 Excellent
16	Arthur	92	100	78	94	🟢 Excellent
17	Sentry	97	88	43765	93	🟢 Excellent
18	Pyroscope	85	100	11406	92	🟢 Excellent
19	Prometheus	92	88	63889	90	🟢 Excellent
20	gofr	91	88	21547	90	🟢 Excellent
21	Pulse	97	100	5584	90	🟢 Excellent
22	odigos	92	100	3653	90	🟢 Excellent
23	Monoscope	92	88	553	90	🟢 Excellent
24	LogTide	81	100	402	90	🟢 Excellent
25	Drydock	89	100	197	90	🟢 Excellent
26	Logwiz	86	100	13	90	🟢 Excellent
27	netxms	86	88	351	87	🟢 Excellent
28	RuView	95	100	51621	86	🟢 Excellent
29	Robusta	91	100	3001	86	🟢 Excellent
30	OpenLinkHub	86	88	983	86	🟢 Excellent
31	NodeGet	86	88	153	86	🟢 Excellent
32	WorldMonitor	89	81	53404	85	🟢 Excellent
33	Glances	93	72	32457	84	🟢 Excellent
34	Kener	77	91	4902	83	🟢 Excellent
35	Graylog	91	72	8022	82	🟢 Excellent
36	Uptrace	90	72	4186	82	🟢 Excellent
37	Netdata	88	72	78694	81	🟢 Excellent
38	OpenITCOCKPIT	88	72	375	81	🟢 Excellent
39	Beszel	87	72	21562	80	🟢 Excellent
40	Komari	81	78	4460	80	🟢 Excellent
41	Kuvasz	87	72	513	80	🟢 Excellent
42	Checkmate	85	72	9726	79	🟢 Good
43	LibreNMS	85	72	4688	79	🟢 Good
44	FUXA	85	72	4442	79	🟢 Good
45	Keep	90	62	11778	77	🟢 Good
46	Percona PMM	88	62	1015	76	🟢 Good
47	osquery	84	56	23238	71	🟢 Good
48	Quickwit	84	56	11168	71	🟢 Good
49	Performance Co-Pilot	77	62	1061	70	🟢 Good
50	Regen	76	56	30	67	🟢 Good

Top 3 Highlights

changedetection.io leads the list with a ToolVitals score of 94, 31,331 GitHub stars, and an Excellent status. It stands out as a simple tool for website change detection and alerts, including content changes, price drops, restock alerts, and defacement monitoring.

SigNoz also scores 94 and has 26,765 GitHub stars. It is described as an open-source observability platform native to OpenTelemetry, with logs, traces, and metrics in a single application.

OpenObserve matches the same ToolVitals score and has 18,706 GitHub stars. It focuses on logs, metrics, traces, and frontend monitoring, and is described as a cost-effective alternative to Datadog, Splunk, and Elasticsearch.

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