Monitoring
Observability, logging, tracing, uptime monitoring, and incident response tools.
Observability
Metrics, traces, logs, dashboards, and application observability platforms.
Open/source-visible picks
Health-first ToolVitals score, then adoption
01
OpenObserve Top Pick
Open source observability platform for logs, metrics, traces, frontend monitoring, pipelines and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.
OSI-approved OSS
19.2k stars Active 100
02
VictoriaMetrics: fast, cost-effective monitoring solution and time series database
OSI-approved OSS
17.1k stars Active 100
03
6.8k stars Active 99
4 tools are on Evidence Watch.
Uptime Monitoring
Uptime checks, status pages, alerting, and incident tracking.
Open/source-visible picks
Health-first ToolVitals score, then adoption
03
Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations. Don't be shy, join here: https://discord.com/invite/NAb6H3UTjK :)
OSI-approved OSS
10k stars Active 87
Proprietary targets
Replacement targets, not open-tool picks
02
Automatically monitors external SaaS service status pages and alerts on incidents.
Warning 65
03
A global network of probes to run network tests like ping, traceroute and DNS resolve
Warning 64
1 tool is on Evidence Watch.
Incident Management
Tools for coordinating, investigating, automating, and communicating operational incident response workflows.
Open/source-visible picks
Health-first ToolVitals score, then adoption
01
Yet Another Status Page Top Pick
A modern, open-source status page built with Next.js and PayloadCMS, designed for flexible and reliable infrastructure monitoring.
OSI-approved OSS
— stars Active 79
02
Beautiful status page & uptime monitor. Ready for production out of the box.
OSI-approved OSS
— stars Warning 68
03
— stars Critical 40