Pylot - Open Source Software testing tool

Pylot is a open source performance and scalability testing tool which runs HTTP load tests and generates concurrent load (HTTP Requests), verifies server responses, and produces reports with metrics.

Step

With this interactive physics simulator, you place some objects on the screen, add some physical forces, and then see how they interact. It covers classical mechanics, particles, springs, gravitational and coulomb forces, collisions, molecular dynamics, and much more. (Note that in order to use Step on Windows, you'll have to download KDE for Windows.)

EJS Modeling

Easy Java Simulations (EJS)

Easy Java Simulations (EJS) is a Java program that can be run under any operating system that supports a Java Virtual Machine (VM). Because Java is designed to be platform independent, the EJS user interface on Microsoft Windows, Macintosh OS X, Unix, and Linux is almost identical.

SwordBible

An electronic bible. A simple, free and powerful bible study software for windows with hundreds of bibles, commentaries, daily devotions and dictionaries. It is based on the sword engine by Crosswire Bible Society. Its purpose is to create cross-platform open-source tools– covered by the GNU General Public License– that allow programmers and Bible societies to write new Bible software more quickly and easily. Its secondary purpose is to amass a library of Bibles and other Scripture related texts that can be used by all SWORD Project-based software.