Open-source monitoring tools: AI search visibility ranking (2026)
How AI search engines rank open-source monitoring tools by visibility and citations. 20 brands measured monthly across Google AI Mode: which brands the AI names in answers, which domains it cites as sources, and how the leaders compare. Open-source monitoring tools used by infrastructure and DevOps teams to observe systems, visualize metrics, collect logs, and troubleshoot performance issues. Composite score: 70% visibility (% of AI answers naming the brand) + 30% citation rate (% citing the brand's domain). Full methodology →
Refreshed Jun 18, 2026Download this ranking as a PDF
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At a glance
What we observed in this categoryauto-generated
Zabbix, Grafana, and Prometheus each hold 25.0% visibility, five times the category average of 5.0%, creating a three-way tie at the top that leaves the remaining 17 brands fighting over a narrow share. Zabbix edges ahead on composite score (21.2 versus 17.5 for both Grafana and Prometheus) because it is the only one of the three with any citation share at all (12.5%). This gap between the top cluster and the rest of the field is sharp: Nagios and Elastic at ranks 4 and 5 have visibility of 12.5% and below, and brands from rank 7 onward score zero across every metric.
The visibility-to-citation divergence is striking across this category. Grafana and Prometheus both sit at 25.0% visibility yet carry 0.0% citation, meaning Google AI Mode names them frequently but does not link back to their domains as sources. Checkmk shows the inverse pattern: 0.0% visibility but 12.5% citation, appearing as a trusted reference source without being surfaced as a recommended brand. Only Zabbix and Nagios achieve meaningful scores on both dimensions, suggesting they are both named and treated as citable authorities by the AI.
Every brand in the top 10 draws its strongest performance from Google AI Mode, with no other engine registering as a top performer in the data. The cited-source list shows that the AI is anchoring heavily on community and comparison content: youtube.com and reddit.com appear alongside vendor domains like nagios.org, zabbix.com, and checkmk.com. Third-party commentary sources such as logz.io and openobserve.ai also feature, indicating the AI blends user-generated discussion with vendor and analyst content rather than relying on any single authoritative source type.
Movers & shakers since last refresh
Biggest visibility risers
-
Zabbix 0% → 25% · rank #0 → #1+25pp
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Grafana 0% → 25% · rank #0 → #2+25pp
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Prometheus 0% → 25% · rank #0 → #3+25pp
The ranking
| # | Brand | Visibility | Citation | Top engine |
|---|---|---|---|---|
| 1 |
zabbix.com
|
25% | 12% | Google AI Mode |
Zabbix leads with a composite score of 21.2, the highest in the category, and is the only top-three brand to combine peak visibility (25.0%) with a 12.5% citation rate. |
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| 2 |
grafana.com
|
25% | 0% | Google AI Mode |
Grafana matches Zabbix on visibility at 25.0%, five times the category average, but its 0.0% citation rate drops its composite score to 17.5, placing it behind Zabbix. |
||||
| 3 |
prometheus.io
|
25% | 0% | Google AI Mode |
Prometheus shares Grafana's identical profile (25.0% visibility, 0.0% citation, composite 17.5), suggesting the AI treats them interchangeably in terms of mention but not as citable sources. |
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| 4 |
nagios.org
|
12% | 12% | Google AI Mode |
Nagios is the only brand outside the top three to hold both a 12.5% visibility score and a 12.5% citation rate, giving it a balanced composite of 12.5 that no rank-5-or-below brand approaches. |
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| 5 |
elastic.co
|
12% | 0% | Google AI Mode |
Elastic sits at 12.5% visibility but 0.0% citation, producing the lowest composite (8.8) among the five brands that register any visibility at all in this category. |
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| 6 |
checkmk.com
|
0% | 12% | Google AI Mode |
| 7 |
icinga.com
|
0% | 0% | Google AI Mode |
| 8 |
netdata.cloud
|
0% | 0% | Google AI Mode |
| 9 |
sensu.io
|
0% | 0% | Google AI Mode |
| 10 |
signoz.io
|
0% | 0% | Google AI Mode |
| 11 |
jaegertracing.io
|
0% | 0% | Google AI Mode |
| 12 |
opentelemetry.io
|
0% | 0% | Google AI Mode |
| 13 |
fluentd.org
|
0% | 0% | Google AI Mode |
| 14 |
grafana.com
|
0% | 0% | Google AI Mode |
| 15 |
victoriametrics.com
|
0% | 0% | Google AI Mode |
| 16 |
librenms.org
|
0% | 0% | Google AI Mode |
| 17 |
graylog.org
|
0% | 0% | Google AI Mode |
| 18 |
sentry.io
|
0% | 0% | Google AI Mode |
| 19 |
uptime.kuma.pet
|
0% | 0% | Google AI Mode |
| 20 |
skywalking.apache.org
|
0% | 0% | Google AI Mode |
Sources AI engines trust in this category
Across the 8 buyer-intent queries we ran on open-source monitoring tools, these are the domains Google AI Mode cited most often. If you're not on this list — or if your competitors are — that's a concrete PR / linkbuilding target.
How to read this ranking
Four things worth knowing before you act on the numbers above. These are the same definitions across every industry page — for category-specific observations, see the What we observed section above (where available) and the per-brand insights inline in the ranking.
Visibility = being named
A brand's visibility % is the share of AI answers that mention it by name in the response prose. This is who AI engines actively recommend to the buyer.
Citation rate = being trusted
Citation rate is the share of AI answers that include the brand's domain as a clickable source link. This is what the AI treats as authoritative evidence — different from being named.
Top engine differs by brand
The "top engine" column shows which AI surface each brand performs best on. Big gaps between a brand's score across engines usually points to specific content or schema gaps.
Rankings move month to month
AI engines re-crawl and re-rank on shorter cycles than classical search. We re-audit every brand on this list at least every 30 days and refresh this page automatically.
Get your own open-source monitoring tools brand audited
The brands above were curated from public market-leader lists. Want the same measurement against your own brand — including the queries you appear on, which competitors get named instead, and a prioritised fix list? Run a free preview.
Frequently asked about open-source monitoring tools AI visibility
Who leads AI visibility in open-source monitoring tools?
Zabbix, Grafana, and Prometheus are tied on visibility at 25.0% each, but Zabbix leads overall with a composite score of 21.2 due to its 12.5% citation rate, which the other two lack entirely.
What sources does Google AI Mode cite most for open-source monitoring research?
The top cited sources include youtube.com, reddit.com, nagios.org, zabbix.com, checkmk.com, logz.io, and openobserve.ai, showing the AI draws on a mix of community discussion, vendor domains, and third-party commentary.
Which brands are visible in AI answers but not cited as sources?
Grafana and Prometheus both have 25.0% visibility but 0.0% citation, meaning Google AI Mode names them frequently without linking to their domains as reference sources.
Are there any brands cited by AI but not visibly recommended?
Checkmk has a 12.5% citation rate but 0.0% visibility, meaning it appears as a background source in AI-generated answers without being surfaced as a named recommendation.
How concentrated is AI visibility in this category?
The top three brands each hold 25.0% visibility against a category average of 5.0%, and every brand from rank 7 to rank 10 scores zero on both visibility and citation, showing a highly concentrated landscape.
Which engine dominates AI visibility for open-source monitoring tools?
Google AI Mode is the top-performing engine for every brand in the top 10, with no other engine registering as a primary driver of visibility or citation in this category.