Build your own observability stack.
Seeing your own systems shouldn't cost per seat.
Stop renting: Datadog, New Relic
The ranking rule
Repositories matching this query, sorted by stars:
topic:observability stars:>200 pushed:>2025-10-29 archived:falseSynced nightly; star history kept so momentum is measured, not guessed.
30 projects
live from source · api.github.com · Oct 29, 1:44 AM UTCnetdata
The fastest path to AI-powered full stack observability, even for lean teams.
langfuse
🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.
signoz
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.
mlflow
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.
cilium
eBPF-based Networking, Security, and Observability
skywalking
APM, Application Performance Monitoring System
prefect
Prefect is a workflow orchestration framework for building resilient data pipelines in Python.
jaeger
CNCF Jaeger, a Distributed Tracing Platform
witr
Why is this running? Trace any process, port, container, or file back to what started it - CLI + TUI.
vector
A high-performance observability data pipeline.
openobserve
Open 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.
agents-towards-production
End-to-end, code-first tutorials for building production-grade GenAI agents. From prototype to enterprise deployment.
kibana
Your window into all of your data
VictoriaMetrics
VictoriaMetrics: fast, cost-effective monitoring solution and time series database
zipkin
Zipkin is a distributed tracing system
effect
Build production-ready applications in TypeScript
kubesphere
The container platform tailored for Kubernetes multi-cloud, datacenter, and edge management ⎈ 🖥 ☁️
doris
Apache Doris is a real-time analytics and hybrid search database for AI agents.
ecapture
Capture SSL/TLS plaintext with eBPF—no MITM proxy or custom CA installation. Supports Linux and Android on x86_64 and arm64.
thanos
Highly available Prometheus setup with long term storage capabilities. A CNCF Incubating project.
nightingale
Open-source, self-hosted alerting for metrics, logs, and databases. Includes a built-in AI agent and MCP server.
opensre
Build your own AI SRE agents. The open source toolkit for the AI era.
kubeshark
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.
pyroscope
Continuous Profiling Platform. Debug performance issues down to a single line of code
codeburn
Free, 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 codeburn
voltagent
AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework
hyperdx
Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by ClickHouse and OpenTelemetry.
howtheysre
A curated collection of publicly available resources on how technology and tech-savvy organizations around the world practice Site Reliability Engineering (SRE)
highlight
highlight.io: The open source, full-stack monitoring platform. Error monitoring, session replay, logging, distributed tracing, and more.
openstatus
Open-source status page, incident response and uptime monitoring