Keep up with Twitter while you browse the web using Firefox.
Echofon for Firefox is an extension that adds a tiny icon to the status bar. It notifies you when friends post tweets and has a text entry field for posting your own tweets.
Find a great site that you’d like to share with your friends on Twitter? Just click the the link button to post a link to the current page in Firefox.
Echofon for Firefox syncs unread tweets with your iPhone when you use Echofon for iPhone.
When you send a mention, @reply or direct message to someone who uses Echofon on their iPhone, they can receive instant push notification.

Echofon for Firefox appears conveniently within your browser window. This is especially handy if you click a lot of links in tweets or post a lot of links as you browse. Clicked links open in new tabs and you can insert a link to the current page in one click. When you close the main window, you can still see the number of unread tweets in your status bar, just click the Echofon logo to reopen the window.

The familiar Twitter timeline is just a click away. View tweets from those you follow. New tweets are shown with a light blue background. Hover over any tweet to reveal reply and favorite buttons.

If you like instant updates, look no further than popup view. In fact, you won’t have to look far at all. Echofon for Firefox supports optional popup notifications for each tweet posted by someone you follow. These popups show up at the bottom of the browser window right by the Echofon icon.

All your mentions and replies are conveniently grouped in the mentions tab. You can reply to a specific tweet by clicking the reply button that shows up when you hover over it.

The messages tab has your most recent direct messages. When you click reply on a tweet in this tab, it will be set up as a direct message to that person.

Echofon makes the Awesome Bar even more awesome. You can simply enter “@username” into the Awesome Bar. Echofon will open the user’s timeline on twitter.com.

It’s easy to write tweets as you browse the web. If you want to share the website you are currently viewing, just click the link button and its URL will automatically be inserted into your tweet.

Once set up, Echofon Pro on the iPhone stays in sync with Echofon for Firefox. If you read tweets on your computer, then open Echofon pro on your iPhone later, you’ll be able to easily pick up where you left off.