Glogster - an easy tool to create interactive multimedia posters. Check out their website to view quick tutorials. Products price info is here.

Kahoot! - a tool for instructors to create group learning games that students can access and play via their mobile devices. Free. See how it works here. 

Quizlet - a website providing learning tools for students, including flashcards, study and game modes. Free apps for iOS and Android. 

Jing - a screencasting tool to make videos

Popplet - a tool for the iPad and web to capture and organize ideas. $4.99 download for the app in iTunes.