Extensões mais populares

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DOM Inspector Reinício necessário

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.

Avaliado com 5 de 5 estrelas (78)
22 245 utilizadores

ChatZilla Reinício necessário

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.

Avaliado com 4 de 5 estrelas (150)
21 776 utilizadores

ImportExportTools Reinício necessário

Adds some tools to import and export folders and messages

Avaliado com 4 de 5 estrelas (247)
19 328 utilizadores

Mail Redirect Reinício necessário

Permitir redireccionar as mensagens de correio (aka "repostagem") para outros destinatários.

Avaliado com 4 de 5 estrelas (143)
5 000 utilizadores

LookOut Reinício necessário

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).

Avaliado com 4 de 5 estrelas (157)
2 644 utilizadores

MinimizeToTray revived Reinício necessário

Minimizes windows into the system tray.

Avaliado com 4 de 5 estrelas (395)
2 142 utilizadores

JavaScript Debugger Reinício necessário

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.

Avaliado com 4 de 5 estrelas (52)
2 105 utilizadores

FireTray Reinício necessário

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 ...

Avaliado com 4 de 5 estrelas (289)
1 949 utilizadores

MinimizeToTray Reanimated Reinício necessário

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.

Avaliado com 4 de 5 estrelas (140)
1 609 utilizadores

Join-NG Reinício necessário

Join partial messages. Somewhat similar to MS Outlook Express "combine and decode".

Avaliado com 5 de 5 estrelas (5)
1 146 utilizadores

FlashGot Mass Downloader Reinício necessário Em destaque

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.

Avaliado com 5 de 5 estrelas (890)
957 utilizadores

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.

Avaliado com 5 de 5 estrelas (17)
758 utilizadores

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.

Avaliado com 4 de 5 estrelas (372)
745 utilizadores

Awesome Auto Archive

Automatically do Archive/Copy/Delete/Move actions based on user defined rules

Avaliado com 4 de 5 estrelas (46)
659 utilizadores

Element Hiding Helper para Adblock Plus

Combata os anúncios de texto! Element Hiding Helper é uma extensão companheira do Adblock Plus cujo objectivo é facilitar a criação de regras para filtros de elementos.

Avaliado com 5 de 5 estrelas (473)
619 utilizadores

SeaTab-X-2 Reinício necessário

Adds Firefox-style tab closers into SeaMonkey.

Avaliado com 5 de 5 estrelas (22)
565 utilizadores

Disable Add-on Compatibility Checks

Reinstates the extensions.checkCompatibility preference without respect to the current application version.

Avaliado com 4 de 5 estrelas (121)
562 utilizadores

DownThemAll! Em destaque

The first and only download manager/accelerator built inside Firefox!

Avaliado com 4 de 5 estrelas (2 896)
530 utilizadores

PDF Viewer for SeaMonkey

A fork of PDF.js with support for SeaMonkey 2.49.x.

Avaliado com 5 de 5 estrelas (3)
529 utilizadores

ThunderBirthDay Reinício necessário

Display birthdays from the Thunderbird addressbooks as events in Lightning.

Avaliado com 4 de 5 estrelas (97)
501 utilizadores