If you've wanted to create a simple but attractive site with some animation but didn't want to go through the hassle of using Flash (not to mention the cost), check out Hype on the Mac App Store. Hype uses a simple timeline metaphor to allow you to place images, text, shapes and more into pages and animate them. Hype uses a Scene metaphor to arrange your pages, much as you would arrange slides in Keynote. Add in your graphics, video and text and a simple animated site can be yours in a few clicks.
Hype also provides a JavaScript API so you can plug in your animations to a larger site, one perhaps beyond the capacity of Hype to adequately manage it. This isn't an application for creating a large e-commerce site. Hype is more tuned