F1 by Mozilla Labs is a Firefox add-on that will enable you to share links fast and easy, enable you to share links from within the browser, from any webpage, using the same services you already know and love.

Share with your favorite services:
1. Twitter
With one click F1 automatically shortens URLs using bit.ly so that you don't have to. F1 then inserts the shortened URL into your tweet, making the whole process seamless.

2. Facebook
F1 posts the URL, complete with screenshot and description right to your Facebook wall, instantly sharing the link with all your friends on Facebook.

3. Gmail
F1 automatically inserts the URL into the body of your email - simply type in your recipient's e-mail addresses and hit share.

Requirements:
* Firefox

The license of this software is Free Trial Software, you can free download and get a free trial.