Rainmeter 2.2 Free Desktop Tools

Rainmeter displays customizable skins, like memory and battery power, RSS feeds and weather forecasts, right on your desktop. Many skins are even functional: they can record your notes and to-do lists, launch your favorite applications, and control your media player - all in a clean, unobtrusive interface that you can rearrange and customize to your liking.
More information is available on RainMeter website. Screen Shot