アドオン
最も人気の拡張機能
DOM Inspector
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DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.
ChatZilla
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A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.
ImportExportTools
Mail Redirect
MinimizeToTray revived
FireTray
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A system tray extension for Linux and Windows, allowing to set up custom icon, hiding to tray instead of closing, display the number of unread messages in mailing applications, and other features ...
JavaScript Debugger
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As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.
Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.
LookOut
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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).
Join-NG
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Join partial messages. Somewhat similar to MS Outlook Express "combine and decode".
MinimizeToTray Reanimated
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MinimizeToTray Reanimated is an application mainly dedicated to Thunderbird to allow its minimization in the systray in one click. It is the update of MinimizeToTray Revived, which is not maintained anymore since the recent versions of Thunderbird.
FlashGot Mass Downloader
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おすすめ
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
Standalone SeaMonkey Mail
Use SeaMonkey as a standalone e-mail client. Set up a default browser for links opened from Mail & Newsgroups.
PDF Viewer for SeaMonkey
Awesome Auto Archive
Automatically do Archive/Copy/Delete/Move actions based on user defined rules
Toolbar Buttons
Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.
uBlock Origin
An efficient blocker. Easy on CPU and memory. New and updated filter list added.
True Full Screen in SeaMonkey
This extension enables true full screen mode in SeaMonkey for HTML5 video players, slide-shows, etc. and also for full screen invoked manually with the F11 key.
Element Hiding Helper for Adblock Plus
テキスト広告と戦います！ Element Hiding Helper は簡単に要素の非表示ルールを作成できる、Adblock Plus 用の支援拡張機能です。
DownThemAll!
Dorando keyconfig
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A modified Dorando's addon to rebind keyboard shortcuts. It is designed to be a drop-in replacement, keeping your old settings. (See details for upgrade instructions.)
As of version 2016.2, Custom keys (using custom JavaScript) work again!
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あるいは 既存のアカウントへログイン
