IntelliJ IDEA & IntelliJ Platform
Dex to Java decompiler
Flexible, lightweight multi-language test reporting tool
Free implementation of Play Services
The modern Java bytecode editor
A tool for reverse engineering Android apk files
Apache NetBeans
Autopsy® is a digital forensics platform and graphical interface
Barcode scanning library for Java, Android
A modification for the Discord Android App
Browser automation framework and ecosystem
Fast, scalable, multi-language and extensible build system
AndroidIDE is an IDE for Android to develop full featured Android apps
The OWASP ZAP core project
Android client application
The modern Essentials suite for Spigot and Paper
Desktop/Android/HTML5/iOS Java game development framework
Apache Maven core
Continuous inspection
Programmer-friendly testing framework for Java and the JVM
SoapUI is a free and open source cross-platform functional testing
A reverse engineering suite (decompiler, editor, debugger and more)
A reference implementation of a JSON package in Java
The Leading Security Assessment Framework for Android
Essential hooks for modding with Fabric