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ImportExportTools Reinício necessário

Adds some tools to import and export folders and messages

Avaliado com 4 de 5 estrelas (230)
232 596 utilizadores

ChatZilla Reinício necessário

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

Avaliado com 4 de 5 estrelas (150)
26 759 utilizadores

Highlighter Reinício necessário

Quickly highlight some text in Thunderbird message composing windows.

Avaliado com 4 de 5 estrelas (86)
5 792 utilizadores

Join-NG Reinício necessário

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

Avaliado com 5 de 5 estrelas (4)
2 458 utilizadores

Quote Colors Reinício necessário

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 com 5 de 5 estrelas (51)
1 436 utilizadores

Year view Reinício necessário

Year view for calendar.

Avaliado com 4 de 5 estrelas (51)
1 348 utilizadores

Lightbird Reinício necessário

Standalone calendar UI for Lightning

Avaliado com 4 de 5 estrelas (21)
888 utilizadores

Flexible Identity Reinício necessário

Selects an identity based on the recipients list when sending an email

Avaliado com 4 de 5 estrelas (36)
806 utilizadores

Session Manager

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 com 5 de 5 estrelas (847)
503 utilizadores

QuickNote Reinício necessário

A simple note-taking extension.

Avaliado com 5 de 5 estrelas (203)
430 utilizadores

Send Filter Reinício necessário

This add-on allows you run your message filters automatically on outgoing messages after sending. In other words, it's a outgoing filter for thunderbird and seamonkey.

Avaliado com 4 de 5 estrelas (38)
343 utilizadores

Gmail Manager NG Reinício necessário

Based on Gmail Manager by Todd Long. This fork is intended to a supported version of Gmail Manager since Todd appears to have gone MIA. Manage multiple Gmail accounts and receive new mail notifications.

Avaliado com 4 de 5 estrelas (109)
339 utilizadores

Clean Subject Reinício necessário

"Clean Subject" cleans the subject from multiple occurrences of subject prefixes such as ("Re: Re-2: Re:") and postfixes that are inserted by other clients. Words like "[SPAM]" can be cleaned as well. These prefixes can be defined in the preferences.

Avaliado com 4 de 5 estrelas (46)
338 utilizadores

Contact Photos Reinício necessário

Displays contact photos in the message header.

Avaliado com 4 de 5 estrelas (30)
329 utilizadores

Copy Plain Text 2 Reinício necessário

Copies text without formatting

Avaliado com 5 de 5 estrelas (96)
308 utilizadores

PlayFlash 32bit Reinício necessário

Flash player plugin - unofficial xpi repack for 32bit browsers.
Use when official plugin installer is not suitable.
All binary files are copyrighted by their authors and distributed for free.

Avaliado com 5 de 5 estrelas (23)
248 utilizadores

Diagnostics for Adblock Plus

Diagnostics tool for Adblock Plus, provides some insight into internal processes of Adblock Plus.

Avaliado com 3 de 5 estrelas (4)
190 utilizadores

Standalone SeaMonkey Mail

Use SeaMonkey as a standalone e-mail client. Set up a default browser for links opened from Mail & Newsgroups.

Avaliado com 5 de 5 estrelas (6)
186 utilizadores

SyncKolab Reinício necessário

SyncKolab can synchronize your calendar, address book and tasks against an IMAP server in Kolab formats version 1 (vCard/iCal) or version 2 (XML) or turn your Thunderbird/Lightning into a native Kolab Client (http://kolab.org).

Avaliado com 3 de 5 estrelas (78)
185 utilizadores

Add-ons Manager Context Menu Reinício necessário

Add more items to Add-ons Manager context menu.

Avaliado com 5 de 5 estrelas (49)
184 utilizadores