Best Open Source observability Libraries
A curated list of the most popular GitHub repositories tagged with observability. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.
#1netdata/netdata
The fastest path to AI-powered full stack observability, even for lean teams.
#2SigNoz/signoz
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
#3mlflow/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.
#4cilium/cilium
eBPF-based Networking, Security, and Observability
#5apache/skywalking
APM, Application Performance Monitoring System
#6mikeroyal/Self-Hosting-Guide
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.
#7openobserve/openobserve
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.
#8openzipkin/zipkin
Zipkin is a distributed tracing system
#9kubesphere/kubesphere
The container platform tailored for Kubernetes multi-cloud, datacenter, and edge management ⎈ 🖥 ☁️
#10VictoriaMetrics/VictoriaMetrics
VictoriaMetrics: fast, cost-effective monitoring solution and time series database
#11Effect-TS/effect
Build production-ready applications in TypeScript
#12upgundecha/howtheysre
A curated collection of publicly available resources on how technology and tech-savvy organizations around the world practice Site Reliability Engineering (SRE)
#13hyperdxio/hyperdx
Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by ClickHouse and OpenTelemetry.
#14highlight/highlight
highlight.io: The open source, full-stack monitoring platform. Error monitoring, session replay, logging, distributed tracing, and more.
#15grafana/mimir
Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.
#16micrometer-metrics/micrometer
An application observability facade for the most popular observability tools. Think SLF4J, but for observability.
#17parca-dev/parca
Continuous profiling for analysis of CPU and memory usage, down to the line number and throughout time. Saving infrastructure cost, improving performance, and increasing reliability.
#18rajnandan1/kener
Stunning status pages, batteries included!
#19seakee/CPA-Manager-Plus
A self-hosted CPA / CLIProxyAPI management panel and observability dashboard for requests, usage, cost, quota, failures, and account health.
#20monoscope-tech/monoscope
Monoscope lets you ingest and explore your logs, traces and metrics. We store these in S3 compatible buckets. Query in natural language via LLMs.
#21databufflabs/databuff
AI-native OpenTelemetry APM with multi-agent root-cause analysis across traces, metrics, and service topology
#22chmonitor/chmonitor
Open-source operational advisor for ClickHouse — real-time monitoring plus AI-driven index/partition/materialized-view recommendations. Self-host or use the cloud.