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 more.

The Prometheus monitoring system and time series database.

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

We write your reusable computer vision tools. 💜

APM, Application Performance Monitoring System

High-performance, scalable time-series database designed for Industrial IoT (IIoT) scenarios

Simple, open source, lightweight (< 1 KB) and privacy-friendly web analytics alternative to Google Analytics.

Your window into the Elastic Stack

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

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。

A high-performance observability data pipeline.

Daemon for easy but powerful stats aggregation

Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data.

📊 An infographics generator with 30+ plugins and 300+ options to display stats about your GitHub account and render them as SVG, Markdown, PDF or JSON!

🚀 10x easier, 🚀 140x lower storage cost, 🚀 high performance, 🚀 petabyte scale - Elasticsearch/Splunk/Datadog alternative for 🚀 (logs, metrics, traces, RUM, Error tracking, Session replay).

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

Exporter for machine metrics

Resilience4j is a fault tolerance library designed for Java8 and functional programming

An all-in-one observability solution which aims to combine the advantages of Prometheus and Grafana. It manages alert rules and visualizes metrics, logs, traces in a beautiful web UI.

A declarative JavaScript library for application development using cloud services.