MuseScore

Create, edit, and playback sheet music with intuitive tools and professional-looking score output

Powerful tool for data analysis and statistical computing

Free touch-typing program that supports multi-keyboard layouts

Equation editor for adding notations to mathematical problems

Applies soft-body physics to vehicles and shows how they deteriorate on impact

A 3D modeling program for Windows used to create images of chemical bonds and structures

Great point-plotting and graph-making tool for researchers