DataDog alternatives and similar libraries

Based on the "Monitoring" category.

LeakCanary

9.8 8.0 L3 DataDog VS LeakCanary

A memory leak detection library for Android.
zipkin

9.5 4.6 DataDog VS zipkin

Zipkin is a distributed tracing system

AppSignal - Monitoring that respects your time & budget

APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.

Promo www.appsignal.com

HertzBeat

8.8 9.4 DataDog VS HertzBeat

An AI-powered next-generation open source real-time observability system.
Micrometer

8.4 9.8 DataDog VS Micrometer

An application observability facade for the most popular observability tools. Think SLF4J, but for observability.
Sentry

6.7 9.7 DataDog VS Sentry

A Sentry SDK for Java, Android and other JVM languages.
Jaeger client

6.5 6.7 DataDog VS Jaeger client

DISCONTINUED. 🛑 This library is DEPRECATED!
Micrometer Tracing

3.7 9.5 DataDog VS Micrometer Tracing

Provides tracing abstractions over tracers and tracing system reporters.
Apitally SDK for Java

1.6 - DataDog VS Apitally SDK for Java

Simple API monitoring & analytics for Java web apps
ThreadMine MCP Server

1.5 3.8 DataDog VS ThreadMine MCP Server

MCP server for ThreadMine — Java thread dump analysis (deadlocks, CPU spikes, virtual thread pinning) inside Claude Code.)
hippo4j

- - DataDog VS hippo4j

Dynamic and observable thread pool framework.