1.apache / skywalking
APM, Application Performance Monitoring System
+324 stars
from 24,660 · score 5.78
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2.pinpoint-apm / pinpoint
APM, (Application Performance Management) tool for large-scale distributed systems.
+117 stars
from 13,754 · score 4.77
3.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。
+80 stars
from 18,856 · score 4.39
4.javamelody / javamelody
JavaMelody : monitoring of JavaEE applications
+27 stars
from 3,018 · score 3.33
5.inspectIT / inspectIT
(UNMAINTAINED) inspectIT is the leading Open Source APM (Application Performance Management) tool for analyzing your Java (EE) applications.
+1 stars
from 538 · score 0.69