I found Ergo and it has some nice UI to perform search from across various sources such as Flickr, Youtube, Your Computer etc. And it also supports Sharepoint so you can search view your SharePoint documents from your desktop. Head over to http://yourergo.com for a free download. See screen-shots for more details:
Facebook web applications are extremely popular but the Facebook desktop app often don’t get enough attention they deserve. Here are some of the apps that I have been using. Facebook app for BlackBerry is very useful in particular. Facebook widget for Netvibes and Facebook for flock are also worth checking.
Hooked on Facebook®? BlackBerry® smartphones can help! Now you can take Facebook with you on your BlackBerry smartphone! The best part is: you stay connected to Facebook the whole time. Download this free application and take communicating with your friends to a whole new level.
The Netvibes Widget allows users to view their Facebook profile and friends from their personalized Netvibes homepage.