Android-add-ons

Provider for Google Calendar door Philipp Kewisch

Allows bidirectional access to Google Calendar

Enigmail door Patrick Brunschwig

Helper tool to migrate your keys and important settings from Enigmail to Thunderbird 78.

Mail Merge door Alexander Bergmann

Create and Save or Send Multiple Individual and Personalized Messages from a Draft

LookOut door Aron Rubin

LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).

Remove Duplicate Messages door Eyal Rozenberg

Zoek en verwijder berichten die identiek zijn aan andere berichten in uw mailmappen (ook wel duplicaten genoemd)

Mail Redirect door Onno Ekker, Pawel Krzesniak

Maakt het heradresseren (ook wel ‘remailen’) van e-mailberichten naar andere ontvangers mogelijk.

Opmerking verzamelaar 日本語改造版。http://www.geocities.jp/chimantaea_mirabilis/mailredirect/index.html

CompactHeader door jmozmoz

Add symbol in header plane to switch between compact and expanded view. Work only for Thunderbird 68.0 and older. Currently, there are no plans to update this for newer versions.

Opmerking verzamelaar Thunderbird 3 用のメッセージヘッダの表示をカスタマイズするアドオン。

QuickFolders (Tabbed Folders) door Realraven (Axel Grude), Alexander Malfait

Het ‘Zwitserse zakmes’ van mappen. Zet uw favorieten om naar tabbladen - open mappen en tabbladen, verplaats e-mails zonder scrollen of zoeken. Krachtig en eenvoudig.

Stationery door Arivald

Extension to mimic Outlook Express Stationery.
Allow you to use HTML files as templates for mail. Also allow custom template in replies or forwarded mail!

Opmerking verzamelaar メッセージのひな形管理。

Walnut2 for Thunderbird door alfredkayser

Walnut2 for Thunderbird, based on icons from art.gnome.org. Walnut2 is based on Walnut but with better looking wood panels.
Supports Thunderbird versions 53.0 to 60.0. From version 61.0, Thunderbird will drop support for full custom themes.

Opmerking verzamelaar 木目調のテーマ。

Google Contacts door H.Ogi

Access to Google contacts and synchronize them with Thunderbird address books.

Allow HTML Temp door Alexander Ihrig

Allows to have HTML temporarily enabled (and displayed) in the currently selected message by only one click. When switching to another message, it'll be shown automatically again in plain text or simple html mode (according to your settings).

Quote Colors door Malte Ruecker

Quote Colors allows you to select text and background colors of different quote levels which are applied when reading or printing mail/news messages. Additionally, you can choose between graphical and traditional plain text quoting display mode.

Provider for Microsoft Exchange door Simon Schubert

The lightning-exchange-provider addon allows you to use Microsoft Exchange calendars in Thunderbird, via Exchange’s web services.

This addon only works with Microsoft Exchange 2007 and above. Exchange 2003 is not supported.

Nostalgy door Alain Frisch

Keyboard shortcuts to change folder, move/copy messages, with folder name auto-completion.

Opmerking verzamelaar キーボードショートカットでメッセージ操作できる。