アドオン

Enigmail 作者: Patrick Brunschwig

OpenPGP メッセージの暗号化および認証機能を提供する Thunerbird 向けアドオンです。

Mail Redirect 作者: Onno Ekker, Pawel Krzesniak

他の受信者にメール メッセージをリダイレクト（または"バウンス(remail)"）することを可能にします。

コレクターのメモ 0.7.6.1 for Thunderbird 3.x http://mailredirect.mozdev.org/

Thunderbird Conversations 作者: Jonathan Protzenko, Standard8

Thunderbird にスレッドビューを追加するアドオンです。連絡先ツールチップ、添付ファイルのサムネイル、クイックリプライ、他のアドオンとの協調動作などの機能があります。

Signature Switch 作者: Achim Seufert

Switch the signature on/off or choose a new one from your predefined set.

CompactHeader 作者: 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.

Stationery 作者: 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!

LightningButton 作者: rsjtdrjgfuzkfg

Toolbar-Buttons for Lightning; advances the feature to get rid of the tabbar.

XNote++ 作者: opto

Persistent sticky notes associated to emails. You can fulltext search with constraints/email them/print/bookmark/copy to clipboard.

If you have a large screen, you can even display the notes outside of TB's main window, so it won't hide anything.

Google Calendar Tab 作者: Bryan Clark

Adds the Google Calendar web interface as a new tab directly into Thunderbird. Creating and viewing events works just as it would in a browser like Firefox

Xpunge 作者: Theodore Tegos

Empties the Trash and Junk folders, and compacts folders in multiple Thunderbird accounts.

ThunderBrowse 作者: GS! Networks

Did your friend send you a cool link? Want to read the rest of that interesting article? Don't want to open up your web browser just to view it? You don't have to! Just view it in Thunderbird with ThunderBrowse!

Contacts Sidebar 作者: Jeroen Peters

アドレス帳を 3 ペインウインドウのサイドバーに表示します。F4 キーまたは ツールバーアイコンで表示を切り替えられます。

コレクターのメモ Thunderbird 3.1.x support 0.8pre2 http://jpeters.no-ip.com/extensions/?page=tb_cs

Hide Menubar 作者: yuoo2k

Supports to hide Menu Bar automatically, you can press the ALT key to show it temporarily.

New Tab Button 作者: H.Ogi

It provide you the following functionalities:
* Open a selected message in a tab by a toolbar button
* Open a message in a tab by double-clicking its header view (disabled by default)
* Hide Lightning's Today Pane on opening a tab

Show InOut 作者: Günter Gersdorf

Adds two columns to the list of mails. One shows an indicator wether a mail is incoming or outgoing, the other shows the sender or the recipient of the mail respectively...