Impress is a truly outstanding tool for creating effective multimedia presentations. Does linear or non-linear presentations with the included Presenter Console extension. Your presentations can be enhanced with 2D and 3D clip art, special effects and transition styles, animations, and high-impact drawing tools. Saves to Open Document format (.odp) as well as ppt. pptx and pdf. Portable version for Windows available from PortableApps.com: http://portableapps .