A replacement of the category widget to allow for greater customization of the category widget.
The avh-amazon plugin gives you the ability to add a widget which will display a random item from your Amazon wish list, baby registry and/or wedding registry.
It lets you see displayed the Daily Dilbert. It uses the DilbertDailyStrip RSS feed.
Enhanced Recent Posts is a widget that comes as a replacement to the built-in widget. As the first enhancement, you can choose if you want to show posts from all categories, from some categories in particular or from all categories but some (exclude categories).