jQuery is a lightweight JavaScript library that emphasizes interaction between JavaScript and HTML. It was released in January 2006 at BarCampJohn Resig. WIKI
jQuery is something really wonderful for designers which gives functionality to the web sites and i think it really attracts visitors of the sites.Yesterday i’ve collected 40 jQuery plugins which you will like probably.They are all free and you can learn how to integrate from the sources.
Here are the 40 Free jQuery plugins with tutorials and How Tos’