#PopClip Extensions PopClip is a little but great Mac App that provides access to alot of actions to your selected text on Mac. You can read about it from : http://pilotmoon.com/popclip/
##Alexa Siteinfo This extension is to check alexa.com ranking position from any selected URL
##Can I Use This extension is to check CSS3 and HTML5 browser compatibilty through caniuse.com. It currently supports popular code editor such as Sublime Text, Textmate, Coda and Espresso.