GraphCalc

Open Source Calculator for Windows

GraphCalc is an open source computer program that runs in Microsoft Windows and Linux that provides the functionality of a graphing calculator.

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.

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.

OpenSTA - Open Source Software testing tool

OpenSTA is a open source Load testing software which performs scripted HTTP and HTTPS heavy load tests with performance measurements. OpenSTA currently runs only on Microsoft-Windows based operating systems.