Freemium
Grafana
Open SourceLogs & Metrics · Monitoring & Observability
Open-source visualization and analytics for metrics, logs and traces.
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Browse the complete directory — use filters to narrow down.
Logs & Metrics · Monitoring & Observability
Open-source visualization and analytics for metrics, logs and traces.
Error Tracking · Monitoring & Observability
Error monitoring and tracing for every stack, with clear stack traces.
Uptime & Alerting · Monitoring & Observability
Uptime monitoring, incident management and log management in one.
Error Tracking · Monitoring & Observability
Error monitoring with strong mobile and release health support.
Uptime & Alerting · Monitoring & Observability
Monitoring-as-code using Playwright tests run from the cloud.
Logs & Metrics · Monitoring & Observability
Unified observability platform for infrastructure, APM and logs.
Logs & Metrics · Monitoring & Observability
Elasticsearch, Logstash and Kibana for log ingestion and search.
Web Analytics · Monitoring & Observability
Google's free webmaster console — indexing status, search queries, sitemaps and Core Web Vitals data.
APM & Tracing · Monitoring & Observability
Open-source distributed tracing platform, CNCF graduated.
Error Tracking · Monitoring & Observability
Session replay and frontend monitoring with error tracking.
Logs & Metrics · Monitoring & Observability
Horizontally-scalable log aggregation designed like Prometheus.
APM & Tracing · Monitoring & Observability
Full-stack observability platform with generous free tier.
APM & Tracing · Monitoring & Observability
Vendor-neutral standard for traces, metrics and logs instrumentation.
Uptime & Alerting · Monitoring & Observability
Incident response and on-call management platform.
Web Analytics · Monitoring & Observability
Lightweight, privacy-friendly open-source web analytics.
Logs & Metrics · Monitoring & Observability
The standard open-source metrics collection and alerting toolkit.
Error Tracking · Monitoring & Observability
Real-time error tracking and debugging for many platforms.
APM & Tracing · Monitoring & Observability
Open-source Datadog alternative built on OpenTelemetry.
Web Analytics · Monitoring & Observability
Simple, self-hostable web analytics you own (trending).
Uptime & Alerting · Monitoring & Observability
Fancy open-source self-hosted uptime monitoring with status pages.
Uptime & Alerting · Monitoring & Observability
Popular hosted uptime monitoring with 50 free monitors.