Lightning Em destaque

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

Avaliado em 3 de 5 estrelas (1.633)
1.121.626 utilizadores

Session Manager Sem reínicio

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

Avaliado em 4 de 5 estrelas (443)
261.541 utilizadores

Password Exporter

This extension allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.

Avaliado em 4 de 5 estrelas (274)
183.450 utilizadores


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

Avaliado em 4 de 5 estrelas (115)
171.850 utilizadores


FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.

Avaliado em 4 de 5 estrelas (284)
96.568 utilizadores

UnMHT Sem reínicio

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

Avaliado em 5 de 5 estrelas (184)
85.804 utilizadores

Send Later

True "Send Later" functionality to schedule the time for sending an email.

Avaliado em 5 de 5 estrelas (45)
43.677 utilizadores

Copy Plain Text 2

Copies text without formatting

Avaliado em 5 de 5 estrelas (40)
32.569 utilizadores


gContactSync é um extra que sincroniza os seus Contactos do Google com o Livro de Endereços do Thunderbird 2 ou 3.

Avaliado em 4 de 5 estrelas (151)
32.116 utilizadores

Mail Redirect

Allow to redirect (a.k.a. "bounce") mail messages to other recipients

Avaliado em 4 de 5 estrelas (106)
28.262 utilizadores

Filter Uploader for Adblock Plus

DOES NOT BLOCK ADS! Don't install this add-on if you don't know what 'uploading' means!

This add-on Uploads the filters from your Adblock Plus installation to a FTP, HTTP, HTTPS server...

Avaliado em 3 de 5 estrelas (37)
27.935 utilizadores

MinimizeToTray Plus

Note from Mozilla: This add-on has been discontinued. Try MinimizeToTray Revived instead.

Minimize applications to the system tray.

Avaliado em 4 de 5 estrelas (179)
27.770 utilizadores


A simple note-taking extension.

Avaliado em 4 de 5 estrelas (154)
24.180 utilizadores


Minimizes Mozilla windows into the system tray. Also includes a right clickable tray icon menu to further load only the windows you want visible...

Avaliado em 4 de 5 estrelas (461)
21.251 utilizadores


Persistent sticky notes for Thunderbird associated to mails.
This is a port to Thunderbird >= 3 and Seamonkey >= 2 based on XNote 2.1.0 ( https://addons.mozilla.org/en-US/thunderbird/addon/3093 ) with bugfixes and additional features.

Avaliado em 5 de 5 estrelas (53)
19.649 utilizadores

Add-on Update Checker

Adds Tools menu item to check Add-ons for updates. Includes toolbar icon.

Avaliado em 4 de 5 estrelas (33)
18.042 utilizadores

Quote Colors

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.

Avaliado em 4 de 5 estrelas (40)
17.494 utilizadores

Copy As Plain Text

Removes formatting from copied text.

Avaliado em 4 de 5 estrelas (35)
17.427 utilizadores

Snap Links Plus

Select a number of links with a rectangle and open them all in new tabs in the same or a new window(s), download them or copy them to the clipboard. You can also lasso checkboxes to quickly check or uncheck them.

Avaliado em 4 de 5 estrelas (74)
17.337 utilizadores

AutoCopy 2

Copia o texto seleccionado automaticamente para a área de transferência.

Avaliado em 5 de 5 estrelas (39)
15.543 utilizadores