Refolk

Top Observability repositories on GitHub

Tracing, metrics, logs, and debugging tools for production systems.

Ranked by stars across 532 repositories tagged observability. Refreshed daily.

  1. 1
    netdata/netdata78,722 · ⑂ 6,426

    The fastest path to AI-powered full stack observability, even for lean teams.

    • monitoring
    • docker
    • kubernetes
    • cncf
    • prometheus
    • netdata
  2. 2
    SigNoz/signoz26,807 · ⑂ 2,146

    SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool

    • observability
    • application-monitoring
    • opentelemetry
    • distributed-tracing
    • apm
    • go
  3. 3
    langfuse/langfuse26,701 · ⑂ 2,709

    🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

    • analytics
    • llm
    • llmops
    • large-language-models
    • openai
    • self-hosted
  4. 4
    mlflow/mlflow25,784 · ⑂ 5,689

    The 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.

    • machine-learning
    • ai
    • ml
    • mlflow
    • apache-spark
    • model-management
  5. 5
    apache/skywalking24,791 · ⑂ 6,641

    APM, Application Performance Monitoring System

    • skywalking
    • observability
    • apm
    • service-mesh
    • dapper
    • distributed-tracing
  6. 6
    cilium/cilium24,291 · ⑂ 3,751

    eBPF-based Networking, Security, and Observability

    • containers
    • bpf
    • security
    • kubernetes
    • kubernetes-networking
    • cni
  7. 7
    jaegertracing/jaeger22,767 · ⑂ 2,881

    CNCF Jaeger, a Distributed Tracing Platform

    • distributed-tracing
    • cncf
    • tracing
    • observability
    • jaeger
    • opentelemetry
  8. 8
    PrefectHQ/prefect22,318 · ⑂ 2,294

    Prefect is a workflow orchestration framework for building resilient data pipelines in Python.

    • python
    • workflow
    • data-engineering
    • data-science
    • workflow-engine
    • prefect
  9. 9
    vectordotdev/vector21,784 · ⑂ 2,118

    A high-performance observability data pipeline.

    • logs
    • metrics
    • observability
    • forwarder
    • events
    • stream-processing
  10. 10
    elastic/kibana21,075 · ⑂ 8,571

    Your window into all of your data

    • kibana
    • elasticsearch
    • visualizations
    • metrics
    • observability
    • dashboards
  11. 11
    mikeroyal/Self-Hosting-Guide19,621 · ⑂ 978

    Self-Hosting Guide. Learn all about locally hosting (on premises & private web servers) and managing software applications by yourself or your organization. Including Cloud, LLMs, WireGuard, Automation, Home Assistant, and Networking.

    • self-hosted
    • selfhosted
    • home-assistant
    • wireguard
    • decentralized
    • self-hosting
  12. 12
    openobserve/openobserve18,780 · ⑂ 809

    OpenObserve is an open-source observability platform for logs, metrics, traces, and frontend monitoring. A cost-effective alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.

    • logs
    • metrics
    • traces
    • analytics
    • elasticsearch
    • jaeger
  13. 13
    openzipkin/zipkin17,434 · ⑂ 3,103

    Zipkin is a distributed tracing system

    • zipkin
    • distributed-tracing
    • tracing
    • openzipkin
    • observability
  14. 14
    VictoriaMetrics/VictoriaMetrics16,953 · ⑂ 1,636

    VictoriaMetrics: fast, cost-effective monitoring solution and time series database

    • tsdb
    • prometheus
    • promql
    • influxdb
    • graphite
    • opentsdb
  15. 15
    kubesphere/kubesphere16,924 · ⑂ 2,735

    The container platform tailored for Kubernetes multi-cloud, datacenter, and edge management ⎈ 🖥 ☁️

    • devops
    • cncf
    • cloud-native
    • servicemesh
    • kubesphere
    • kubernetes
  16. 16
    Effect-TS/effect14,071 · ⑂ 562

    Build production-ready applications in TypeScript

    • effect
    • javascript
    • cli
    • opentelemetry
    • platform
    • schema
  17. 17
    thanos-io/thanos14,058 · ⑂ 2,296

    Highly available Prometheus setup with long term storage capabilities. A CNCF Incubating project.

    • prometheus
    • google-cloud-storage
    • high-availability
    • prometheus-ha-pairs
    • thanos
    • s3
  18. 18
    ccfos/nightingale13,004 · ⑂ 1,704

    Nightingale is to monitoring and alerting what Grafana is to visualization.

    • monitoring
    • time-series
    • nightingale
    • tsdb
    • open-falcon
    • alerting
  19. 19
    kubeshark/kubeshark11,889 · ⑂ 532

    eBPF-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.

    • kubernetes
    • golang
    • rest
    • grpc
    • devops
    • sniffer
  20. 20
    grafana/pyroscope11,410 · ⑂ 742

    Continuous Profiling Platform. Debug performance issues down to a single line of code

    • continuous-profiling
    • profiling
    • performance
    • golang
    • ruby
    • python
  21. 21
    upgundecha/howtheysre9,724 · ⑂ 886

    A curated collection of publicly available resources on how technology and tech-savvy organizations around the world practice Site Reliability Engineering (SRE)

    • site-reliability-engineering
    • sre
    • chaos-engineering
    • dev-ops
    • devops
    • monitoring
  22. 22
    hyperdxio/hyperdx9,486 · ⑂ 394

    Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by ClickHouse and OpenTelemetry.

    • analytics
    • application-monitoring
    • log-management
    • logs
    • metrics
    • monitoring
  23. 23
    highlight/highlight9,254 · ⑂ 544

    highlight.io: The open source, full-stack monitoring platform. Error monitoring, session replay, logging, distributed tracing, and more.

    • apm
    • golang
    • metrics
    • monitoring
    • observability
    • open-source
  24. 24
    VoltAgent/voltagent8,661 · ⑂ 869

    AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework

    • agents
    • ai
    • chatbots
    • llm
    • mcp
    • nodejs
  25. 25
    openstatusHQ/openstatus8,644 · ⑂ 650

    🫖 Status page with uptime monitoring & API monitoring as code 🫖

    • observability
    • open-source
    • status-page
    • turso
    • tinybird
    • nextjs

Find engineers shipping Observability

The list above ranks the most-starred public repositories tagged with the Observability topic, drawn from the public GitHub graph. Across 532 repositories tagged this way, the maintainers and top contributors are a tight cluster of the people actually building Observability.

Looking for engineers who’ve worked on Observability for real, not just listed it on LinkedIn? The fastest path is the contributor list of these repos. Their commits, issues, and READMEs are public proof of depth.

Refolk turns this list into a search. Ask for “maintainers of top Observability repos who are hiring”, Observability engineers in San Francisco”, or “founders shipping Observability” and Refolk returns a ranked shortlist with sources.

How this list is built

Refolk searched GitHub for public repositories tagged with the Observability topic, ranked them by stargazer count, and kept those with at least 50 stars. The list refreshes once a day.

Last refreshed: Thu, 07 May 2026 05:55:07 GMT

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