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GProxy Tool
Requires Restart
GProxy lets you set and clear GPass local proxy in Firefox and Thunderbird, and do more.
AVIM
Requires Restart
Vietnamese-language input method editor (IME). Type diacritics directly into any Web page, Web app, or dialog box. Convenient, comprehensive, secure.
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Bộ gõ tiếng Việt cho phép đặt dấu trực tiếp vào bất kỳ trang Web, ứng dụng Web, hộp thoại.
LookOut+
Requires Restart
LookOut is a plugin which allows to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).
This version is a fix for Seamonkey 2.*.
LCD Clock
Hindi Spell Checker
This is a real time spell checker for Hindi, supported on Firefox,
Thunderbird, and Seamonkey.
AutoProxyMod
Silent Block
Stego Block
Requires Restart
Embeds a small secondary, encrypted message in an email, known as a Stego Block.
Launchy
Requires Restart
Launchy will enable you to open links and mailto's with external applications...
eCleaner
ThunderBirthDay
Requires Restart
Display birthdays from the Thunderbird addressbooks as events in Lightning.
Hebrew spell-checking dictionary (from HSpell)
Hebrew spell-checking dictionary for Firefox and Thunderbird. Generated from data of the HSpell project version 1.4, and distributed freely under the AGPLv3.
SoundPlus
Requires Restart
SoundPlus customizes the sound that is played when a new message arrives for a particular contact in the address book, similar to mobile phones. There is also a variation that is played when a message arrives and it is a continuation of a thread.
TreeStat
Use Bcc Instead
Requires Restart
Sorry but this addon is no longer supported in TB 60. See below.
Who among us has not made the mistake of sending a 'broadcast' email to a large number of recipients without using BCC; thereby revealing everyone's email addresses to all?
Compact Menu 2
Requires Restart
Add a compact menu button to the navigation toolbar, and hide the menu bar.
EmailPicky 4
Requires Restart
Grab email addresses from emails from any selected Email Folder and add them to your contacts. (Email Crawler / Email ID Grabber / Bounced email collector) - Thunderbird Plugin
Note: It doesn't create duplicates, but shows as 'xxx messages added'.
Bamboo Feed Reader
Requires Restart
Feed reader | RSS - ATOM - OPML
This extension has NOT been rewritten with the new WebExtensions API (Firefox Quantum).
No future version is planned by the original developer.
Bamboo is still running with Palemoon.
Subject ManagerTo create your own collections, you must have a Mozilla Add-ons account.
