Most Popular Extensions
Russian hot keys bugfix Requires Restart
Makes hot keys work with Russian, Ukrainian and Hebrew keyboard layout in Linux and *BSD (needed only for GTK2 builds).
Purge! Requires Restart
Add toolbar icons to purge (compact folders) and/or delete junk messages to your toolbar and thread context...
The Book of Mozilla, 15:1 in Japanese
Planteen Host Email Requires Restart
This is the official quick access link for Planteen Host Email. Plenty of FREE extras! Business and Corporate class email. Use your own domain, reliable, secure and access from any device.
Sent-By-User column Requires Restart
Adds a new column in message list-view, that will display the name of the user who sent the mail (read from a message header).
Manual configuration required. ONLY FOR THUNDERBIRD.
One Click Search Requires Restart
One-click search similar to The Bat! program.
RSS Editor Requires Restart
Desktop RSS editor for casual editing of RSS 2.0...
PasteIP Requires Restart
Easy pasting of your IP address or User-Agent in a textbox. Comes in handy when posting on forums, etc.
pass-manager Requires Restart
Replace integrated password managers storage with zx2c4's pass (www.passwordstore.org)
This extension is the most advanced tool to reach Clickbank Store with ease get your to favorite products.If you right-click on some selected text, then it will give an option to search the selected text.
pkrss Requires Restart
pkrss is one rss tools, it embed http://www.pk17s.cn.
contact with google rss feed,join in multi lanauage support,if default panel has no feed,your can search some feed by keyword in topbar.
Datodo Requires Restart
La gestion de tâches, simple et rapide.
DSN Settings Requires Restart
Adds user interface settings for Delivery Status Notification (DSN) requests. This addon is usefull for settings for Delivery Notification request and better experience with Notification Viewer addon.
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...
PONG! Multiplayer Requires Restart
Play a game of PONG! while you are waiting.
Force Hide Message Pane Requires Restart
Force hide message pane at startup.
Sensitivity Header + SPX Requires Restart
Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
Forked from another add-on developed by ff_bob, added SPX header for Sophos security appliances
Mukparasi Korean-English Dictionary File Requires Restart
A Korean-English dictionary file for Mukparasi.
Date on Thunderbird Requires Restart