Modern observability platform: 10x easier, 140x lower storage cost, petabyte scale. Open-source alternative to Elasticsearch/Splunk/Datadog for logs, metrics, traces, RUM, and more.

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 sour…

APM, Application Performance Monitoring System

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

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

record and replay the web

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

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Open source APM: OpenTelemetry traces, metrics, and logs

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many mo…

The Prometheus monitoring system and time series database.

Scalable datastore for metrics, events, and real-time analytics

CAT 作为服务端项目基础组件，提供了 Java, C/C++, Node.js, Python, Go 等多语言客户端，已经在美团点评的基础架构中间件框架（MVC框架，RPC框架，数据库框架，缓存框架等，消息队列，配置系统等）深度集成，为美团点评各业务线提供系统丰富的性能指标、健康状况、实时告警等。

APM, (Application Performance Management) tool for large-scale distributed systems.

Coroot is an open-source observability and APM tool with AI-powered Root Cause Analysis. It combines metrics, logs, traces, continuous profiling, and SLO-based alerting with predefined dashboards a…

Observe any stack, any service and any data, using any UI components you prefer, never missing any X factors and resolve them before they become real problems.

eBPF Observability - Distributed Tracing and Profiling

A curated list of awesome projects related to eBPF.

eBPF-based Networking, Security, and Observability

Instant Kubernetes-Native Application Observability

Session replay, cobrowsing and product analytics you can self-host. Ideal for reproducing issues and iterating on your product.

Essential metrics for a healthy site.

OpenTelemetry JavaScript Client

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

Web-based tool to facilitate OpenTelemetry collector configuration editing and verification

Venator: a desktop app for viewing logs and traces from OpenTelemetry and the Rust tracing ecosystem

eBPF-based Security Observability and Runtime Enforcement

100x Efficient Log Management than Splunk 🚀 Reduce your observability cost by 90%

Distributed tracing without code changes. 🚀 Instantly monitor any application using OpenTelemetry and eBPF