Dropbox
Dropbox is a great tool for teachers. Check out this tutorial on getting started with Dropbox.
http://www.screencast.com/t/srNf5Lxj
Go Animate
Go animate is a great way to let your kids be creative while making their own comic strip. Check out this screencast to see how the program works.
http://www.screencast.com/t/5xpodI5h
Puzzlemaker
Puzzlemaker is a wonderful program that allows the teacher to create puzzles for your students.
Check out this screencast to see how the program works.
http://www.screencast.com/t/HYoFYKWBe1