the prefuse visualization toolkit

Findbugs: Because it's easy!

Stanford CoreNLP provides a set of natural language analysis tools which can take raw English language text input and give the base forms of words, their parts of speech, whether they are names of companies, people, etc., normalize dates, times, and ...

Android/Desktop/iOS/HTML5 game development framework

UI toolkit and flat design skin for scene2d.ui

GUI generating engine for Java applications

A java API to manipulate semi structured documents and extract data from them.

Java binding for the Gstreamer framework (0.10 compatible)

Collection of various algorithms implemented in Java covering domains such as mathematics and data science.

Common UI components and utilities for Swing applications.

Tracking 2D [tr2d]