GitHub stars · StarDay

1langfuse / langfuse🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.TypeScriptLicense not declared37,105

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

3mlflow / mlflowThe open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.PythonApache-2.0 · Permissive28,698

4apache / skywalkingAPM, Application Performance Monitoring SystemJavaApache-2.0 · Permissive24,995

5jaegertracing / jaegerCNCF Jaeger, a Distributed Tracing PlatformGoApache-2.0 · Permissive23,382

6pranshuparmar / witrWhy is this running? Trace any process, port, container, or file back to what started it - CLI + TUI.GoApache-2.0 · Permissive22,947

7openobserve / 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

8vectordotdev / vectorA high-performance observability data pipeline.RustMPL-2.0 · Share derivative source22,807

9NirDiamant / agents-towards-productionEnd-to-end, code-first tutorials for building production-grade GenAI agents. From prototype to enterprise deployment.Jupyter NotebookLicense not declared21,841

10elastic / kibanaYour window into all of your dataTypeScriptLicense not declared21,355

11VictoriaMetrics / VictoriaMetricsVictoriaMetrics: fast, cost-effective monitoring solution and time series databaseGoApache-2.0 · Permissive18,024

12Effect-TS / effectAuthor description: Build production-ready applications in TypeScriptTypeScriptMIT · Permissive17,496

13openzipkin / zipkinZipkin is a distributed tracing systemJavaApache-2.0 · Permissive17,473

14kubesphere / kubesphereThe container platform tailored for Kubernetes multi-cloud, datacenter, and edge management ⎈ 🖥 ☁️GoLicense not declared17,077

15gojue / ecaptureCapture SSL/TLS plaintext with eBPF—no MITM proxy or custom CA installation. Supports Linux and Android on x86_64 and arm64.CApache-2.0 · Permissive15,533

16thanos-io / thanosHighly available Prometheus setup with long term storage capabilities. A CNCF Incubating project.GoApache-2.0 · Permissive14,268

17ccfos / nightingaleOpen-source, self-hosted alerting for metrics, logs, and databases. Includes a built-in AI agent and MCP server.GoApache-2.0 · Permissive13,458

18Tracer-Cloud / opensreThe open-source agent for CI/CD reliability.PythonApache-2.0 · Permissive12,739

19kubeshark / kubesharkeBPF-powered network observability for Kubernetes. Indexes L4/L7 traffic with full K8s context, decrypts TLS without keys. Queryable by AI agents via MCP and humans via dashboard.GoApache-2.0 · Permissive12,131

20getagentseal / codeburnFree, local tool to track AI coding token usage and cost across 37 tools and agents (Claude Code, Cursor, Codex, Gemini and more), by model, project, and task. npx codeburnTypeScriptMIT · Permissive11,711