Twitter is the most powerful microblogging service and so is Firefox among browser category. Without jumping to other sites, twitter extensions listed below allow you to post tweets, pictures, follow or unfollow friends, filter spam tweets, and much more. Below is the list of twitter addons for firefox browser that enhance twitter functionality for twitter addicts. List of Twitter Tools or addons for Firefox Browser 1) Power Twitter 1.38 – It is a powerful firefox addon that allows you to share pictures on twitter…