Some very popular presentation software, such as Microsoft's Powerpoint and Lotus's Freelance Graphics, are sold stand-alone or can come as part of office-oriented suites or packages of software. Other popular products include Adobe Persuasion, Astound, Asymetrix Compel, Corel Presentations, and Harvard Graphics. Among the most popular multimedia authoring tools are Macromedia Director and Asymetrix's Multimedia Toolbook. These authoring tools also include presentation capability as well. Most if not all of these products come in both PC and Mac versions.
Summary – The mothership of powerpoint alternatives, they’ve been around for many years. Leveraging the concept of ZOOM and transitions to new spaces on a slide, they give the effect that the presentation has not moved to a new slide. Prezi provides people with creating better style and effect in their presentations. Prezi uses the concept of Pathway Points instead of slides to give the visual cinematic appeal of their presentations. These guys just raised another $50 million in November in order to compete with Microsoft.