Dash Note will allow you to create a post-it note in your WP-Admin.
Random Posts Widget is a sidebar widget cum plugin to display a random post regardless of category.
Simple Yearly Archive allows you to display your archives in a year-based list. (Page in German)
WPTWIT is a plugin for WordPress which integrates Twitter into your site. With a useful sidebar widget and a powerful templating system, this plugin allows you to keep your visitors updated with your latest tweets.
TimeZoneCalculator calculates different times and dates in timezones with respect to daylight saving on basis of utc.
Mobile Web Toolkit will create a mobile version of your blog.
Lastly, AuctionAds calls for various AuctionAds tools and plugins. And they got a gift waiting for you.