GitHub stars · StarDay

1prometheus / prometheusThe Prometheus monitoring system and time series database.GoApache-2.0 · Permissive67,024

2SigNoz / signozSigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.TypeScriptLicense not declared32,538

3grafana / lokiLike Prometheus, but for logs.GoAGPL-3.0 · Share derivative source29,132

4openfaas / faasOpenFaaS - Serverless Functions Made SimpleGoLicense not declared26,254

5apache / skywalkingAPM, Application Performance Monitoring SystemJavaApache-2.0 · Permissive24,995

6openobserve / openobserveOpen source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.TypeScriptAGPL-3.0 · Share derivative source22,844

7jina-ai / serve☁️ Build multimodal AI applications with cloud-native stackPythonApache-2.0 · Permissive21,849

8milanm / DevOps-RoadmapDevOps Roadmap for 2026. with learning resourcesApache-2.0 · Permissive20,930

9VictoriaMetrics / VictoriaMetricsVictoriaMetrics: fast, cost-effective monitoring solution and time series databaseGoApache-2.0 · Permissive18,024

10thanos-io / thanosHighly available Prometheus setup with long term storage capabilities. A CNCF Incubating project.GoApache-2.0 · Permissive14,268

11prometheus / node_exporterExporter for machine metricsGoApache-2.0 · Permissive13,905

12ccfos / nightingaleOpen-source, self-hosted alerting for metrics, logs, and databases. Includes a built-in AI agent and MCP server.GoApache-2.0 · Permissive13,458

13drakkan / sftpgoFull-featured and highly configurable SFTP, HTTP/S, FTP/S and WebDAV server - S3, Google Cloud Storage, Azure BlobGoAGPL-3.0 · Share derivative source12,771

14prometheus-operator / prometheus-operatorPrometheus Operator creates/configures/manages Prometheus clusters atop KubernetesGoApache-2.0 · Permissive9,993

15samber / awesome-prometheus-alerts🚨 Collection of Prometheus alerting rulesAstroLicense not declared8,244

16fluent / fluent-bitFast and Lightweight Logs, Metrics and Traces processor for Linux, BSD, OSX and WindowsCApache-2.0 · Permissive8,183

17coroot / corootCoroot is an open-source observability and APM tool with AI-powered Root Cause Analysis. It combines metrics, logs, traces, continuous profiling, and SLO-based alerting with predefined dashboards and inspections.GoApache-2.0 · Permissive8,002

18prometheus-operator / kube-prometheusUse Prometheus to monitor Kubernetes and applications running on KubernetesJsonnetApache-2.0 · Permissive7,758

19apache / hertzbeatAn AI-powered next-generation open source real-time observability system.JavaApache-2.0 · Permissive7,460

20statping / statpingStatus Page for monitoring your websites and applications with beautiful graphs, analytics, and plugins. Run on any type of environment.VueGPL-3.0 · Share derivative source7,291