University of Colorado, Department of Physics

Free
Pendulum Lab is an interactive physics simulation written in Java.
Free
Self-Driven Particle Model is a physics simulation model
Free
Balloons & Buoyancy is a physics and chemistry simulation tool
Free
Davisson-Germer Experiment is a physics simulation tool
Free
Salts & Solubility is a chemistry simulation tool based on Java
Free
Analyzes and calculates parameters of torque