iThought HD is a cool app for your iPad. It is basically a mind mapping app that allows users to easily create and share their mind maps. As a teacher you can use this app with your students to explore the power of mind mapping. The app is enhanced for both iPad and iPhone and is definitely one not to be missed.
iThought HD can also import and export mindmaps to and from many of the most popular desktop mindmap applications such as Myhoughts, Freemind, Freeplane and iMindmap. Here is a 6 minutes video tutorial to see iThought HD in action. You can also access this page to learn more about this mind mapping tool.