Impressive is a program that displays presentation slides. But unlike OpenOffice.org Impress or other similar applications, it does so with style. Developed by Martin J. Fiedler
License: Open Source
Impressive is a user-friendly presentation tool that offers a variety of templates and supports offline access, making it great for business use. In contrast, Prezi features an innovative zooming interface designed for storytelling and collaboration, but may be complex for beginners and requires an internet connection for full functionality.