Kutano for Firefox is the Kutano version for Firefox, a rich Twitter add-on, it will enable you to create comments alongside any page.
Kutano takes the Internet back to its roots by creating a common place for everyone, big and small, to share information with each other.

Kutano for Firefox keeps a window open into the Twitterverse as you browse. Kutano makes it easy to instantly connect with other Twitter users interested in the same websites you are.

The license of this software is Freeware, you can free download and free use this social networking software.