Top Observability repositories

Repositories with the GitHub topic “observability”: 42 repositories with 724k stars between them, mostly written in Go, TypeScript and Java. The highest-rated is langfuse/langfuse, #395 on the bestofgithub Elo ladder.

Biggest movers this week

FailproofAI/failproofai

Open on GitHubTypeScript

Observability and enforcement for AI agent harnesses. Capture every run and runtime reliability with policy enforcement.

  • 1,810+14 Elo, change today
  • 9k stars
  • 576 forks
  • 5 watchers
npm
npm install -g failproofai
  • agent-failure
  • agent-harness
  • agent-observability
  • agent-reliability

ClickHouse/ClickStack

Open on GitHubTypeScript

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

  • 1,552+4 Elo, change today
  • 10k stars
  • 522 forks
git
git clone https://github.com/ClickHouse/ClickStack.git
  • alerting
  • analytics
  • apm
  • application-monitoring

VoltAgent/voltagent

Open on GitHubTypeScript

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

  • 1,626−7 Elo, change today
  • 10.9k stars
  • 1.2k forks
git
git clone https://github.com/VoltAgent/voltagent.git
  • agents
  • ai
  • ai-agents
  • ai-agents-framework

SigNoz/signoz

Open on GitHubTypeScript

SigNoz 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.

  • 1,858+3 Elo, change today
  • 32.6k stars
  • 2.6k forks
  • 135 watchers
go
go get github.com/SigNoz/signoz
  • apm
  • application-monitoring
  • distributed-tracing
  • go

Top 42 on the Elo ladder

  1. #395
    langfuse/langfuse

    🪢 Open source AI engineering platform: AI Gateway, agent observability, evals, and prompt/skill management, built on…

    2,017 Elo +1237.4kTypeScript
  2. #552
    netdata/netdata

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

    1,956 Elo +1181.4kGo
  3. #799
    mlflow/mlflow

    The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug…

    1,895 Elo −1528.8kPython
  4. #991
    SigNoz/signoz

    SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs…

    1,858 Elo +4932.6kTypeScript
  5. #1,048
    openobserve/openobserve

    Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO…

    1,848 Elo −1623kTypeScript
  6. #1,246
    cilium/cilium

    eBPF-based Networking, Security, and Observability

    1,821 Elo −2225.8kGo
  7. #1,318
    FailproofAI/failproofai

    Observability and enforcement for AI agent harnesses. Capture every run and runtime reliability with policy…

    1,810 Elo +1119kTypeScript
  8. #1,681
    vectordotdev/vector

    A high-performance observability data pipeline.

    1,763 Elo +1322.8kRust
  9. #1,690
    NirDiamant/agents-towards-production

    End-to-end, code-first tutorials for building production-grade GenAI agents. From prototype to enterprise deployment.

    1,762 Elo +921.9kJupyter Notebook
  10. #1,766
    mikeroyal/Self-Hosting-Guide

    Self-Hosting Guide. Learn all about locally hosting (on premises & private web servers) and managing software…

    1,753 Elo +2123.5kDockerfile
  11. #1,810
    PrefectHQ/prefect

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

    1,749 Elo −2324.1kPython
  12. #1,849
    VictoriaMetrics/VictoriaMetrics

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

    1,744 Elo +3518.1kGo
  13. #1,874
    jaegertracing/jaeger

    CNCF Jaeger, a Distributed Tracing Platform

    1,742 Elo −1723.4kGo
  14. #1,904
    Tracer-Cloud/opensre

    The open-source agent for CI/CD reliability.

    1,738 Elo −1512.8kPython
  15. #1,996
    Effect-TS/effect

    Build production-ready applications in TypeScript

    1,728 Elo +4317.5kTypeScript
  16. #2,092
    pranshuparmar/witr

    Why is this running? Trace any process, port, container, or file back to what started it - CLI + TUI.

    1,717 Elo −1723kGo
  17. #2,105
    apache/skywalking

    APM, Application Performance Monitoring System

    1,716 Elo −4425kJava
  18. #2,201
    elastic/kibana

    Your window into all of your data

    1,706 Elo −2421.3kTypeScript
  19. #2,272
    getagentseal/codeburn

    Free, local tool to track AI coding token usage and cost across 37 tools and agents (Claude Code, Cursor, Codex, Gemini…

    1,698 Elo +4211.8kTypeScript
  20. #2,534
    apache/doris

    Apache Doris is a real-time analytics and hybrid search database for AI agents.

    1,673 Elo +916.2kJava
  21. #3,153
    VoltAgent/voltagent

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

    1,626 Elo +7810.9kTypeScript
  22. #3,310
    ccfos/nightingale

    Open-source, self-hosted alerting for metrics, logs, and databases. Includes a built-in AI agent and MCP server.

    1,616 Elo −913.4kGo
  23. #3,855
    1,582 Elo +647.7kGo
  24. #4,322
    thanos-io/thanos

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

    1,555 Elo −1414.2kGo
  25. #4,380
    ClickHouse/ClickStack

    Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces…

    1,552 Elo +9210kTypeScript
  26. #4,382
    kubesphere/kubesphere

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

    1,552 Elo −2117kGo
  27. #4,575
    openzipkin/zipkin

    Zipkin is a distributed tracing system

    1,541 Elo −4317.4kJava
  28. #4,598
    gojue/ecapture

    Capture SSL/TLS plaintext with eBPF—no MITM proxy or custom CA installation. Supports Linux and Android on x86_64\arm64…

    1,540 Elo −2315.5kC
  29. #5,634
    openstatusHQ/openstatus

    Open-source status page, incident response and uptime monitoring

    1,491 Elo +379.2kTypeScript
  30. #5,722
    OneUptime/oneuptime

    Complete open-source monitoring and observability platform.

    1,486 Elo +287.8kTypeScript
  31. #6,105
    grafana/pyroscope

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

    1,469 Elo +411.7kGo
  32. #6,265
    open-multi-agent/open-multi-agent

    Self-hosted TypeScript agent runtime with durable approvals and verifiable run records. Own it, approve it, audit it.

    1,462 Elo 7kTypeScript
  33. #6,295
    traceloop/openllmetry

    Open-source observability for your GenAI or LLM application, based on OpenTelemetry

    1,461 Elo +97.5kPython
  34. #6,338
    GreptimeTeam/greptimedb

    The open-source observability database. One columnar engine for metrics, logs, and traces, on object storage.

    1,459 Elo +356.8kRust
  35. #6,366
    upgundecha/howtheysre

    A curated collection of publicly available resources on how technology and tech-savvy organizations around the world…

    1,458 Elo +309.8kJavaScript
  36. #6,478
    kubeshark/kubeshark

    eBPF-powered network observability for Kubernetes. Indexes L4/L7 traffic with full K8s context, decrypts TLS without…

    1,453 Elo −1312.1kGo
  37. #6,701
    apache/hertzbeat

    An AI-powered next-generation open source real-time observability system.

    1,445 Elo +67.4kJava
  38. #6,761
    projectcalico/calico

    Cloud native networking and network security

    1,442 Elo +47.4kGo
  39. #7,193
    highlight/highlight

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

    1,426 Elo −99.3kTypeScript
  40. #7,711
    coroot/coroot

    Coroot is an open-source observability and APM tool with AI-powered Root Cause Analysis. It combines metrics, logs…

    1,406 Elo +368kGo
  41. #8,717
    GoogleCloudPlatform/agent-starter-pack

    Ship AI Agents to Google Cloud in minutes, not months. Production-ready templates with built-in CI/CD, evaluation, and…

    1,365 Elo +26.5k
  42. #9,194
    pixie-io/pixie

    Instant Kubernetes-Native Application Observability

    1,339 Elo +146.5kC++