This addon allows you to write more than 140 letters in your Twitter posts. The extra letters will be saved offsite and link to it will be placed on Twitter.

You can post the songs that you are listening to currently on Twitter using this handy plugin. Don’t be surprised if people start unfollowing you.

Displays your friends’ public timelines on your browser toolbar.

A Twitter client for your Firefox (Firefox) sidebar.

Twixxer is a Firefox addon that allows you to post Twitter updates.

Twitbin is an Add-on for Firefox that allows you to keep up with all your twitter conversations directly from your browser. Send messages, receive messages, share links and more.

TwitBin is a Firefox extension that allows you to keep up with all of your Twitter conversations directly from your browser’s sidebar. Send and receive messages, share links and more

This extension adds a tiny icon to the status bar that notifies you when your friends have updated their Twitter status. It also has a small text input field to allow you to update your own status

Twitzer is a Firefox extension which lets you post text longer than 140 characters on Twitter.com It also expands TinyURLs and Bit.ly links so that you are sure what you are opening.

Christopher Finke is a software engineer. He is available for birthday parties and bar mitzvahs.