Educational Softwares 

EduSim 
 free 3D virtual environment tailored specifically for use with an interactive whiteboard
http://edusim3d.com/

Gamco 
Offers teacher tools and other titles related to school subjects. Includes software for creating worksheets, puzzles, tests, flash cards, and more.
www.gamco.com

Quiz-Buddy
Quiz making software which can make tests and flashcards. Also includes pre-made study modules for the SAT, languages, arithmetic, and more. Free trial available.
www.quiz-buddy.com

Eduware
Offers a Jeopardy style game that delivers multiple choice questions, and the Wizard Test Maker, which features over 80,000 questions in its libraries for disciplines such as science, math, history and foreign language.
www.eduware.com

Wordle 
A toy for generating “word clouds” from text that you provide
http://www.wordle.net/

GoAnimate 
GoAnimate is the easiest way to make animations exactly the way you want.
http://goanimate.com/

Digram and Flowchart Software 
Gliffy free wireframe software makes it easy to create website wireframes and to share web mockups with anyone.
http://www.gliffy.com/