Dex to Java decompiler
Ghidra is a software reverse engineering (SRE) framework
IntelliJ IDEA & IntelliJ Platform
Now continued as OculiX — see oculix.org
Apache NetBeans
The modern Java bytecode editor
GmsCore fork for ReVanced with Material You, features and improvements
The OWASP ZAP core project
Software Facil, Vida Facil
SoapUI is a free and open source cross-platform functional testing
Autopsy® is a digital forensics platform and graphical interface
Programmer-friendly testing framework for Java and the JVM
The modern Essentials suite for Spigot and Paper
A reference implementation of a JSON package in Java
Easily create Spring-powered, production-grade applications
A Java serialization/deserialization library to convert Java Objects
Library to stream in rtmp and rtsp for Android. All code in Java
Apache Maven core
A process for exposing JMX Beans via HTTP for Prometheus consumption
Flexible, lightweight multi-language test reporting tool
A full-featured package manager and viewer for Android
Browser automation framework and ecosystem
Apache Log4j 2 is a versatile, feature-rich, efficient logging API
Build great things at any scale
Advanced manager and monitor for Apache Tomcat