Xiphos

Open Source Bible Study Tool

Xiphos (formerly known as GnomeSword) is a Bible study tool written for Linux, UNIX, and Windows using GTK, offering a rich and featureful environment for reading, study, and research using modules from The SWORD Project and elsewhere. It is open-source software, and available free-of-charge to all.

Xoscope

Especially helpful for educators teaching lessons on sound, Xoscope turns any Linux PC into an oscilloscope. It can accept audio input from up to eight different channels.

Physlets

"Physlet" is short for "Physics Applets." This collection of Java-based applets demonstrates a variety of physical laws and for teachers and students.

Tracker

Tracker is a free video analysis and modeling tool. Built on the Open Source Physics Java framework, Tracker combines videos of physics experiments with computer modeling. Key features include object tracking, center of mass tracking, rotational motion data, interactive graphic vectors and more.