Precision Trigonometry: Advanced Calculator for Complex Math
a free cross platform precise unit converter, supports 6000+ units
Allows you to build your own circuits and test them
Xena transforms files into open data formats
Simulador Educacional de Circuitos Digitales
Digital/Analog signals visualization tool
Itunes library Parser to read the Tracks & Playlists as Java objects
An Academic Literature Suite
A tool for discovering external dependencies in Office files.