Up & Coming Extensions

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Edit HTML Source Requires Restart

You can now edit the HTML source in the Compose...

Rated 3 out of 5 stars (15)
1 user

Sieve

This Extension implements the ManageSieve protocol for securely managing Sieve Script on a remote IMAP server...

Rated 4 out of 5 stars (49)
624 users

Telegram - Quick Access

Quick Access to Telegram Web in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Not yet rated
69 users

Extra Folder Columns Requires Restart

This extension is for those TB3 users who want the multiple-columns view that TB2 allowed

IMPORTANT: If you are using Thunderbird 38 or later, uninstall this addon. The functionality is in core now.

Rated 4 out of 5 stars (214)
117 users

ksbtechies

Displays latest ksbtehchies News in a popup widget
Get all the Latest ksbtehchies News headline with a single click.

Opens a popup widget with the latest news headlines.

Not yet rated
0 users

Add-ons Button

Opens the Add-ons window to perform tasks on your installed Extensions, Themes, Plug-ins and Language packs.

Rated 4 out of 5 stars (7)
13 users

Follow Reply Requires Restart

Find the replying or the following mail you wrote by clicking the arrow icon in the subject column of the thread panel

Rated 2 out of 5 stars (10)
9 users

ThunderSec Requires Restart

ThunderSec is a security extension that provides several pieces of additional security functionality, including DNS-based Blackhole List (DNSBL), Realtime Blackhole Lists (RBL), DomainKeys Identified Mail (DKIM) and Sender Policy Framework (SPF).

Rated 4 out of 5 stars (7)
3 users

Fix Tb Titlebar Extension Requires Restart

You can now modify the Titlebar of TB's main...

Rated 3 out of 5 stars (5)
0 users

ClassicFox Requires Restart

ClassicFox fixes problems with the appearance of the default theme in Windows Classic.

Rated 5 out of 5 stars (5)
0 users

Simple HT Jumper Requires Restart

A temporal simple jumper of HTML and Plan TEXT view mode on showing messages and replying messages for Thunderbird without changing the default setting.

Rated 5 out of 5 stars (16)
5 users

Netiquette Checker

An integrated netiquette checker for EPITA students.

List all the netiquette rules that are not respected when writing an email.

Feel free to contirbute to the repository:
- https://github.com/d4ilyrun/netiquette

Not yet rated
5 users

dwEasySubject Requires Restart

When you enter a destination, you are editing incomplete address, mailer help you compensate last word by use auto-complete. However, Subject is not used auto-complete. it is enter easy by auto-complete subject line choice sent in the past.

Rated 4 out of 5 stars (4)
3 users

Auto Avatars

Add-on for Thunderbird that automatically populates contact photos with their Libravatar or Gravatar photo. Includes support for custom instances and federation!

Not yet rated
75 users

Disable Folder Drag Button Requires Restart

Add Disable-Folder-Drag button.

Rated 5 out of 5 stars (4)
0 users

System Monitor Requires Restart

Provides CPU usage and memory usage graphs on the toolbar.

Rated 4 out of 5 stars (13)
0 users

Workspace for Thunderbird Requires Restart

A simple editor for executing snippets of JS. In Thunderbird.

Not yet rated
0 users

Foobar Controls Requires Restart

Allows you to control the Foobar2000 Mp3 player from the Firefox window...

Rated 4 out of 5 stars (29)
0 users

Move Search Items Requires Restart

Move the message search items to the...

Not yet rated
0 users

ScrollAnywhere

Scroll without touching the scroll-bar!
Press Middle (Right / Left) mouse button anywhere on the page to scroll just like with scrollbar.

Features also:
- "grab and drag" scrolling
- customizable scrollbars!
- the Momentum auto-scroll

Rated 5 out of 5 stars (1)
368 users