UML

create UML online using http://www.yuml.me/

MySearchoff

mysearchoff helps us to search and compare for a given keyword from google,bing and yahoo

Google Fusion Tables

Google Labs has a new service for visualizing data: Google Fusion Tables. Unlike Google Spreadsheets, the service is optimized for large data sets, so you can import tables of up to 100MB.

Google Squared

Google Squared takes a category and creates a starter 'square' of information, automatically fetching and organizing facts from across the web.

ZoomIt

ZoomIt is screen zoom and annotation tool for technical presentations that include application demonstrations. ZoomIt runs unobtrusively in the tray and activates with customizable hotkeys to zoom in on an area of the screen, move around while zoomed, and draw on the zoomed image

cleeki

search from any windows application using cleeki

Dave's Quick Search

search anything right from ur task bar using Dave's Quick Search

Bing

Microsoft's new search engine is Bing...it includes lot of new features(suggestions,similar images,various search options etc...

leapfish

http://www.leapfish.com/ helps us to search from all web search service and blogs as u type it

educational videos very good

http://www.neok12.com/ contains good educational videos of all categories