Recipients Overview Requires Restart

“Who else got that mail?”

addressContext Requires Restart

An extension to add addressbook-related options to the context...

Open all links Requires Restart

Open all http(s) links in an e-mail message with a single click...

View Headers Toggle Button Requires Restart

This extension adds a toolbar button that allows the easy toggling of viewing all message headers.

Timestamp Requires Restart

Inserts the current date/time into a message or an input field in the browser.

Visit my Timestamp site for recent versions and news.

Allow Empty Subject Requires Restart

Allows Thunderbird to send message without a subject.

Visit my Allow Empty Subject site for recent versions and news.

DOM Inspector Requires Restart

Inspect the DOM of HTML, XUL, and XML pages, including the mail...

Buttons! Requires Restart

Adds buttons to the Thunderbird toolbars such as Next! and Previous! buttons for navigating through all messages instead of just unread ones. See homepage for more...

Delete Junk Context Menu Requires Restart

Adds 'Delete Mail Marked as Junk' to folders' right click...

Fritz!BoxDial Requires Restart

Additional Folder Views Requires Restart

Add a new unread-favorite-recent folders treeview.

SyncMab Requires Restart

This extensions can import and export mozilla address books at startup and exit of Thunderbird. You can first save a mab at a specific location e.g. on a network or the internet (Version 2.0) and then let it be updated every time TB starts up or...

Paste Feed Location Requires Restart

Fix bug 296542 by adding a Paste context menu to the Feed Properties (add subscription) dialog.

SJCall Requires Restart

SJCall is a beta version of a VoIP extension enabling you to place telephone calls directly from the Mozilla applications using SJphone, the world-leading Internet softphone...

Print Preview Toolbar Button Requires Restart

A small devision of Toolbar Buttons https://addons.mozilla.org/firefox/2377/ or http://codefisher.org/toolbar_button/

Newsgroup Links Requires Restart

Displays a link to the Google groups url of a newsgroup post, and an option to copy it.

Run Filters on Folder button Requires Restart

A 'Run Filters on Folder' toolbar button. Based on http://developer.mozilla.org/en/docs/Custom_Toolbar_But...

BirdFon Requires Restart

BirdFon, a lightweight and elegant phone plugin, makes Thunderbird a speaking friend in your online life. With BirdFon you can call your friends in a way similar to the SkypeOut service. The major BirdFon advantage is that it allows you to make...

Nokia Synchronization Requires Restart

Synchronize Thunderbird and Nokia phone...

eelpout Requires Restart

The anti-phish. An informative phishing detection...