1.getsentry / sentry
Developer-first error tracking and performance monitoring
- crash-reporting
- crash-reports
- error-monitoring
- monitoring
- devops
- csp-report
- +9 more
+304 stars
from 45,396 · score 5.72
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2.SigNoz / signoz
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.
- observability
- application-monitoring
- opentelemetry
- distributed-tracing
- apm
- go
- +14 more
+289 stars
from 32,233 · score 5.67
3.apache / skywalking
APM, Application Performance Monitoring System
- skywalking
- observability
- apm
- service-mesh
- dapper
- distributed-tracing
- +8 more
+33 stars
from 24,955 · score 3.53
4.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。
- apm
- java
- distributed
- realtime
- monitoring
- tracing
- +1 more
+9 stars
from 18,926 · score 2.30