Checkstyle is a Java development tool that helps programmers write code adhering to coding standards. It supports Google Java Style and Sun Conventions, is highly configurable, and integrates with build tools like Maven and Ant.
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THE FIRST COLLECTIONProof-of-concept tool that generates serialized Java payloads exploiting unsafe object deserialization, bundling 30+ gadget chains for libraries such as Commons Collections, Spring, Groovy and Hibernate, intended for security research and authorized testing.
Gatling is an open‑source load‑testing platform that lets you write performance tests as code in Java, JavaScript/TypeScript, Kotlin or Scala. It uses a non‑blocking, asynchronous engine for high scalability, supports HTTP, WebSocket, SSE, JMS, gRPC and MQTT, and integrates with CI/CD pipelines, APM tools and observability platforms.
LeakCanary is an open-source memory leak detection library for Android, maintained by Square. It helps developers find and diagnose memory leaks in Android apps, with documentation hosted at square.github.io/leakcanary.
Arthas is Alibaba's open-source Java diagnostic tool that lets developers troubleshoot production JVM issues without modifying code or restarting servers, offering commands for class inspection, decompilation, method tracing, monitoring, profiling and a web console.
Apache JMeter is an open-source Java application for load testing and performance measurement of various services, supporting multiple protocols, a GUI IDE, command-line mode, and dynamic HTML reporting.
jadx is a Dex to Java decompiler with command-line and GUI tools that convert Android APK, dex, aar, aab and zip files into readable Java source code, decode resources, and include a deobfuscator.