A reverse engineering suite (decompiler, editor, debugger and more)
Visualizes all aspects of compiled Java class files
Dex to Java decompiler
SonarSource Static Analyzer for Java Code Quality and Security
The modern Java bytecode editor
ProGuard, Java optimizer and obfuscator
Java bytecode engineering toolkit
Soot - A Java optimization framework
A safe, dynamic tracing tool for the Java platform
Log analyser / visualiser for Java HotSpot JIT compiler
Framework to interpret and transpile JVM bytecode to JavaScript
Real-time non-invasive AOP framework container based on JVM
Optimizer for mobile applications
Libraries for Analysis, with frontends for Java, Android, and JS
Micronaut Application Framework
Open-source code analysis platform for C/C++/Java/Binary/Javascript
Mixin is a trait/mixin and bytecode weaving framework for Java
ByteX is a bytecode plugin platform based on Android Gradle Transform
Java class file shrinker, optimizer, obfuscator, and preverifier
Java framework that allows you to unit test code normally
Bytecode to source converting Java & Kotlin code into JavaScript, C++
JPHP - an implementation of PHP on Java VM
Java5 mobile agents in peer2peer containers without stubs/skeletons.
Track down floating point divisions by zero in large Java applications
A continuation of the popular Artemis ECS framework