Open source Monitoring & Observability tools
47 free, open source options sorted by GitHub stars.
Uptime KumaSelf-hosted uptime monitoring with a clean dashboardNetDataReal-time monitoring for systems and applicationsElasticsearchThe leading distributed search and analytics engineGrafanaUnified observability for metrics, logs, traces, and morePrometheusOpen source metrics collection, storage, and alertingSentryReal-time error tracking and performance monitoringProjectDiscoveryAdvanced vulnerability detection and management platformSigNozOpen-source observability platform for cloud-native appsGrafana LokiCost-effective log aggregation that indexes labels, not full textApache SkyWalkingDistributed tracing, metrics, logs, and GenAI monitoring in oneVectorCollect, transform, and route logs and metrics in one toolOpenObservePetabyte-scale observability, without the massive bill.VictoriaMetricsHigh-performance time series database for metrics and logsCachetProfessional status page system for transparent downtime communicationLogstashCentralize, transform, and stash your dataOpenReplaySelf-hosted session replay with complete data controlGatusAdvanced automated status page for real-time monitoringKeepUnify, automate, and elevate your monitoring workflowCheckmateBeautiful open-source monitoring for modern infrastructureHealthchecksGet alerted when cron jobs and scheduled tasks miss their runHyperDXFull-stack observability without the enterprise price tagHighlightReal-time observability for modern web applicationsOpenStatusStatus page and uptime monitoring for growing teamsCorootFull-stack observability without code changesOneUptimeComprehensive monitoring and incident management platformGreptimeDBUnified observability database for metrics, logs, and tracesZabbixEnterprise monitoring for networks, apps, and infrastructureScanopyAuto-generated network diagrams that stay currentKenerDeploy a professional status page in minutes, no coding requiredLogfirePowerful observability made simple for developersUptraceOpen source observability platform for modern applicationsTianjiWebsite analytics, uptime monitoring, and server status in oneCheckmkComplete IT infrastructure monitoring made simpleIcingaOpen source monitoring for complex IT infrastructureBugsinkSelf-hosted error tracking for full control and scalabilityNagiosComplete infrastructure monitoring with 25+ years of expertiseMapleOpenTelemetry observability with traces, logs, and metricsGigapipeAll-in-one observability with unlimited data ingestionPeekapingSelf-hosted uptime monitoring you own and controlStatusnookMonitor, manage, and communicate service status effortlesslyTempsOne self-hosted binary replaces Vercel, Sentry, and analytics toolsGlitchTipError tracking, performance, and uptime in one placeEasyMonitorSelf-hosted uptime monitoring that runs on your hardware, not their serversUptimepageMonitors websites and APIs, pages on-call, and publishes a status pageBugPinSelf-hosted visual bug reporting with screenshot annotationWachdAI-powered root cause analysis for on-call alerts, self-hosted and air-gappedStatusScoutComplete website health monitoring and security scanning