Konfabulator is an OS X control-panel for desktop widgets, web-services and a lot of other junk, besides, with a beautiful UI. It's like Watson or Sherlock, but it's free and it's got a wide-open API so developers can add their own widgets to the panel. I've only played with it for five minutes, but I'm hooked. I wish there was a way to float the widgets in the foreground, set their transparency and resize them, though... Link Discuss (Thanks, Matt!)