Google Chrome Browser
Here is a list of some extensions for Everyday User https://www.gchandra.com/scripts/?p=354
Web of Trust is a safe browsing tool, which warns you about risky sites that cheat customers, deliver malware or send spam
For websites which likes only IE. This extension will come in handy.
Docs PDF/PowerPoint Viewer (by Google)
Block them all, or be selective with the embedded whitelist manager.
Awesome Screenshot: Capture & Annotate
Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. Support PNG and shortcuts.
(to be continued)