Ghidra is a software reverse engineering (SRE) framework
Open-source code analysis platform for C/C++/Java/Binary/Javascript
IntelliJ IDEA & IntelliJ Platform
Apache Maven core
Browser automation framework and ecosystem
Free implementation of Play Services
Programmer-friendly testing framework for Java and the JVM
ConnectBot is the first SSH client for Android
Run Web Start based applications after the release of Java 11
BlueJ and Greenfoot
The home of the ICU project source code
Easily create Spring-powered, production-grade applications
A Java serialization/deserialization library to convert Java Objects
An OpenJDK release maintained and supported by SAP
Open source routing engine for OpenStreetMap
Runtime environment based on OpenJDK for running IntelliJ products
JPEXS Free Flash Decompiler is open-source Flash SWF decompiler
Desktop/Android/HTML5/iOS Java game development framework
Distributed tracing system to gather timing data
Android (f/w 2.1+) on screen keyboard for multiple languages
Simplifies the development of creating a JPA-based data access layer
RStudio is an integrated development environment (IDE) for R
Expert System Tool
An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client
A distributed single-sign-on framework