dianping/cat
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。
cat is an open source Java project by dianping, created in December 2012. It has 18,934 stars and 5,387 forks on GitHub and is released under the Apache-2.0 license. Its most recent commit was on Jan 4, 2025, and it has 196 open issues. Its GitHub topics include apm, java, distributed, and realtime. On FindOpenSource.dev it is listed under Observability.
by ruvnet
π RuView turns commodity WiFi signals into real-time spatial intelligence, vital sign monitoring, and presence detection — all without a single pixel of video.
by louislam
A fancy self-hosted monitoring tool
by netdata
The fastest path to AI-powered full stack observability, even for lean teams.
