Java wrapper for the popular chat & VOIP service
A reference implementation of a JSON package in Java
SonarSource Static Analyzer for Java Code Quality and Security
SQLite JDBC Driver
Desktop/Android/HTML5/iOS Java game development framework
Google maps for block game
VisualVM is an All-in-One Java Troubleshooting Tool
Magic Another Game Engine
Most popular Mocking framework for unit tests written in Java
Autopsy® is a digital forensics platform and graphical interface
A complete 3-D game development suite written in Java
H2 is an embeddable RDBMS written in Java
Java library that enables cross-platform access to popular native APIs
Skript is a Bukkit plugin which allows server admins
A J2ME emulator for Android
A process for exposing JMX Beans via HTTP for Prometheus consumption
Java/JavaFX/Kotlin Game Library (Engine)
Gameboy emulator in Java 8
Native Operating System and Hardware Information
Open-source code analysis platform for C/C++/Java/Binary/Javascript
Open Source Data Orchestration for the Cloud
Just another ComputerCraft fork
An extensible request/response workbench
Statistical machine intelligence and learning engine