Subject Manager Requires Restart
Manages subject of composed emails.
RedirectFilter Requires Restart
Redirect action in the filters.
Signature Switch Requires Restart
Switch the signature on/off or choose a new one from your predefined set...
ownCloud for Filelink Requires Restart
Add ownCloud support to Thunderbird's filelink feature.
ThunderKeep Requires Restart
Google Keep for Thunderbird
Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.
Evernote Tab Requires Restart
Add a button and a menu to open Evernote in tab.
Clean Subject Requires Restart
"Clean Subject" cleans the subject from multiple occurrences of subject prefixes such as ("Re: Re-2: Re:") and postfixes that are inserted by other clients. Words like "[SPAM]" can be cleaned as well. These prefixes can be defined in the preferences.
Muttator Requires Restart
Make Thunderbird behave like Vim
ImportExportTools Requires Restart
Adds some tools to import and export folders and messages
Select Inbox Requires Restart
Automatically select the Inbox folder at startup, even if there is no account set to automatically check for new emails.
Important: the author will provide no other update for this add-on.
Thunderbird Message Filter Import/Export Enhanced Requires Restart
Thunderbird Message Filter Import/Export Enhanced is a compatibility port of Wind Li's add on.
Original add on here: https://addons.mozilla.org/en-US/thunderbird/addon/thunderbird-message-filter-imp/
Add Signature Requires Restart
Simply add your signature manually (right mouse click) to your emails
NestedQuote Remover Requires Restart
Remove nested quotes when replying to a...
Toggle Proxy Requires Restart
Toggle Proxy adds a status bar/toolbar icon to toggle between two proxy settings which can be set in the preferences or toggle via a shortcut key (alt + x) if you don't use the add-on bar.
Outgoing Message Format Requires Restart
Set the default outgoing message format to Auto-Detect, Plain Text Only, Rich Text (HTML) or Plain and Rich (HTML) Text.
Display Quota Requires Restart
This extension will display the current status of your IMAP quota in thunderbird's statusbar and will warn you when you reach a configurable limit...
Free/Busy Requires Restart
Publish free/busy calendar file (*.ifb) via ftp or to a file. View other people's free/busy info in meeting organizer window. Integrate Thunderbird and Outlook calendars without Exchange server.
Provider for Google Calendar Requires Restart
Allows bidirectional access to Google Calendar