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.
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The Prometheus monitoring system and time series database.
We write your reusable computer vision tools. 💜
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.
Scalable datastore for metrics, events, and real-time analytics
DNS-Blocklists: For a better internet - keep the internet clean!
High-performance, scalable time-series database designed for Industrial IoT (IIoT) scenarios
APM, Application Performance Monitoring System
A high-performance observability data pipeline.
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.
Your window into all of your data
An opinionated GoLang framework for accelerated microservice development. Built in support for databases and observability.
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。
Daemon for easy but powerful stats aggregation
VictoriaMetrics: fast, cost-effective monitoring solution and time series database
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!
Highly available Prometheus setup with long term storage capabilities. A CNCF Incubating project.
Exporter for machine metrics
Open-source, self-hosted alerting for metrics, logs, and databases. Includes a built-in AI agent and MCP server.
Resilience4j is a fault tolerance library designed for Java8 and functional programming
A declarative JavaScript library for application development using cloud services.
Fathom Lite. Simple, privacy-focused website analytics. Built with Golang & Preact.
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 and inspections.