A reference implementation of a JSON package in Java
Java wrapper for the popular chat & VOIP service
The flexible game engine
A development environment focused on modding
SQLite JDBC Driver
VisualVM is an All-in-One Java Troubleshooting Tool
Desktop/Android/HTML5/iOS Java game development framework
Autopsy® is a digital forensics platform and graphical interface
Google maps for block game
GDLauncher is a simple, yet powerful Minecraft custom launcher
Blockbench - A low poly 3D model editor
A J2ME emulator for Android
Java library that enables cross-platform access to popular native APIs
H2 is an embeddable RDBMS written in Java
Memory Efficient Serialization Library
Magic Another Game Engine
SonarSource Static Analyzer for Java Code Quality and Security
Plugin for IntelliJ IDEA that gives special support for Minecraft mods
A complete 3-D game development suite written in Java
Native Operating System and Hardware Information
Most popular Mocking framework for unit tests written in Java
The Playstation 2 emulator
Flexible level editor
Open source voxel world
Build concurrent, distributed, and resilient message-driven apps