An extensible multilanguage static code analyzer.

OpenGrok is a fast and usable source code search and cross reference engine, written in Java

PDFsam, a desktop application to split, merge, mix, rotate PDF files and extract pages

MARY TTS -- an open-source, multilingual text-to-speech synthesis system written in pure java

Vector map library and writer - running on Android and Desktop.

OpenKM is a Open Source Document Management System

Charting library for Android applications. Automatically exported from code.google.com/p/achartengine

Efficiently create compact tree layouts in Java

Desktop application for creating graphs and algorithm visualisation