Prezi is a web-based presentation tool using a map layout and zooming to show contextual relationships. Topics are grouped together based on their relationships rather than in a linear fashion. Presenters can easily alternate between showing a "big picture" view and zooming into a more precise topic. Free sign up required, education free and paid education accounts are available.
Sample Prezi Presentation:
VoiceThread is a web-based tool that allows you have a conversation around groups of images, videos, presentations and more. This asynchronous environment allows students to respond using text or their own voice. Free sign up required, paid education account available for great control and security.
Sample VoiceThread: Updated EDSITEment Website
Sliderocket is a web-based presentation tool where you and your students can upload PowerPoint presentations or create new presentations. After creating a presentation, it can be shared online and others can comment on your work. Free sign up required, paid non-education subscription is available.
View our Discussion: Using Sliderocket