Have you ever been on a PC and had the secret desire to run all of those cool OS X dashboard widgets you see all the Mac bloggers talking about? Me neither, but Widgetop is a web service that allows users to do just that, regardless of what system they're running. It lets users arrange and run actual OS X widgets on a customizable dashboard called widgetop.
Unfortunately, you can only choose to run widgets from their gallery, which currently only has 43. I wasn't able to find any of the widgets I rely on, such as Colourmod.
Personally, I don't think people have a use for something like Widgetop; it's slow and has an annoying interface. Services like Netvibes and Pageflakes may not offer the ability to run actual OS X widgets but they are more than capable for providing faster, web-friendly widgets within a slick environment.