Presentation Tools
Prezi
Prezi takes the linear out of presentation tools. It's an alternative to Powerpoint and enables you to put all your resources in once place then create a pathway through them. See an example of Prezi in Maths teaching.
Open Exhibits
For the creation of multitouch, multiuser exhibits and displays, this software is free to students, museums and educational organisations. This is very exciting presentation software.
Voicethread - Digitally Speaking
Bill Ferriter, the author of this resource, teaches sixth-grade language arts, social studies and science in North Carolina, USA. He is a teacher leader and an acknowledged expert trainer on the integration of technology into instruction. Bill has published a rich resource with all you need to successfully use Voicethread. It includes instructions, lesson ideas, assessment and examples of best practice. Voicethread is a collaborative presentation tool with a variety of methods for adding comments. Free individual educators' accounts are available.