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Notary

Adds a notes pane to the message view. Any text typed is stored against the message for later review. Very simple interface. Based on msgNotes By Frank DiLecce. I did not like being restricted to a single line nor having to hit buttons or menus...

Rated 4 out of 5 stars (16)
38 users

Copy Reminder List To Clipboard No Restart

Provides button to copy the list of current reminders to the clipboard.

Not yet rated
37 users

Dictionary for recipient No Restart

Sets the spell check dictionary based on the first recipient

Not yet rated
37 users

Channel Guard

Channelguard disables plugins and protocol handlers to ensure maximum security against side-channel attack.

Rated 4 out of 5 stars (2)
37 users

Toggle Development Profile Prefs No Restart

Toggles Development Profile Preferences On When Enabled And Off When Disabled.

Not yet rated
37 users

AutoProxy-ng

This is a fork of AutoProxy, which can run the latest version of Firefox.

Not yet rated
36 users

pass-manager

Replace integrated password managers storage with zx2c4's pass (www.passwordstore.org)

Rated 3 out of 5 stars (1)
36 users

Ethical signature

Add a button to the email composition toolbar, which lets you insert an ethical signature.

Not yet rated
36 users

BOINC Stats 2

Displays your Total and Recent Average Credits for BOINC distributed computing projects in the status bar.

Rated 5 out of 5 stars (4)
36 users

DeleteSimilar

Auto-delete similar newer incoming RSS messages.

No GUI (Hands free). To make it work you just rename the RSS folder to start with a minus.
i.e. Google News to -Google News

Uses Trash. Keeps oldest message to preserve Read status.

Rated 4 out of 5 stars (2)
36 users

TB Tabloc

Protect Thunderbird tabs.

Rated 4 out of 5 stars (6)
36 users

Re: Sort

「Re2:」「Re4:」というふうに「Re:」をまとめます。

Rated 2 out of 5 stars (1)
35 users

MDN Extended

Allows the recipient of a message to send a return receipt (MDN: Message Disposition Notification) on message deletion. This addon is usefull for better experience with Notification Viewer addon.

Rated 5 out of 5 stars (1)
35 users

ltnPlus

Version 0.9:
Support printing of tasks for Lightning 0.8/0.9.

Up to version 0.2:
Enhancements to Lightning that are known from Sunbird: Unifinder (for events and todos) and moving MiniMonth to Tabpanel

Rated 3 out of 5 stars (8)
35 users

xultray for gecko 1.9.1

Show xul application (gecko 1.9.1 based) in system tray. supports Firefox 3.5, Thunderbird 3.0.

Rated 5 out of 5 stars (3)
34 users

BrowsrBounce

Do links not load in the correct browser? Are they not loading at all? BrowsrBounce will fix that for you.

Rated 3 out of 5 stars (20)
34 users

SuperOffice Mail Link

Archive mail in SuperOffice CRM software from Thunderbird

Not yet rated
34 users

DisableChunks

The addon modifies the mail.imap.min_chunk_size_threshold preference value by setting it to 100000000.
It is a workaroud to bug 1216951

Not yet rated
33 users

Archived Link

Archived Link displays the URL of the Archived-At email message header field (RFC-5064) as a hyperlink.

Rated 5 out of 5 stars (1)
33 users

about:kittens

Baby cats and kittens in the about box...

Rated 5 out of 5 stars (6)
33 users