Check out this list of some of the best free collaborative Whiteboard iPad apps .
This free iOS app turns your iPad into a recordable iPad. This is ideal for creating video tutorials and animated lessons. It also offers its users the ability to : record voice, use diagrams, add text to photos, and share through email, Facebook or Twitter.
This app lets you turn your iPad into a personal interactive whiteboard. It offers several features such as : record voice, make video tutorials and share them, import images and write over them, easily switch between drawing and erasing, and many more.
This is another great whiteboard app for the iPad. It allows users to: sketch out their ideas and share them in real time, draw, take notes, and share ideas via email or save them as photos.
This app provides a sort of shared whiteboard. Just turn on the synchronization and send a link to the document to others and they will be able to see it and add to it using SyncSpace. The resulting finsihed work can be shared on Twitter, Facebook or be emailed as PDF.
This app lets you share ideas, documents and presentations and direct the experience of an audience easily on iPad.