1. I installed the (map) and its good because you just get an adress and it tell you where it is.

2.(stumbleupon) which is a site that takes you to coll websites.

3.(answer) which gives you answers on information you need quick.

4.(firebug)FireBug lets you explore the inner workings of Web pages. line.

5.(web developer) The tools allow the user to disable, view, and edit cookies, CSS, HTML, forms, and images; validate pages; and much more.