Maple is a commercial computer algebra software package. It’s an educational software tool to help users with mathematics, application development, and engineering. The latest version is Maple 17, and is available for student, academic, government, and commercial purchase.
Physlet Physics are free physics applets and it’s free for non-commercial use. It’s made from the same team that makes Open Source Physics Project. Over 2,00 individual exercises have been created on Physlet. The applets create simple graphics to demonstrate the salient features of physical phenomena. Physlet Physics runs on Windows, Mac, and Linux devices.
Starry Night Pro is a realistic astronomy software premier package. Users have the ability to witness major astronomical phenomenon, research years of data and future astronomical predictions. Starry Night Pro is available for Windows and Mac devices.