Extensions by Name


Spoof Detector

Extension for Email Spoofing Detection

Rated 2 out of 5 stars (1)
73 users

SQLite Manager

Manage any SQLite database on your computer.

Rated 5 out of 5 stars (39)
210,728 users

Squared Australis Tabs (Tb) No Restart

A small and simple extension, which replaces the curved tabs of the Australis design with squared ones, similar to Thunderbird v14 and prior.

Not yet rated
119 users

SRB Lightning

An integrated calendar for Thunderbird build in purpose testing Serbian translation. You can download version: 1.0b2, 1.0b1 and 0.11 Inverse Edition which work with version 3.1, 3.0 and 2.0 Thunderbird. Windows, Linux and Mac are all supported.

Not yet rated
14 users

SS Ancestry Quick Button

A quick button link to the website, ssancestry.comyr.com/.

Not yet rated
54 users

Stacked Inspector

Switch DOM Inspector to an over/under vertical layout instead of the usual side-by-side panel layout.

Rated 5 out of 5 stars (9)
393 users

StartupMaster No Restart

Asks for the master password at startup (fixes multiple password prompt)

Rated 4 out of 5 stars (210)
17,850 users


Extension to mimic Outlook Express Stationery.
Allow you to use HTML files as templates for mail. Also allow custom template in replies or forwarded mail!

Rated 4 out of 5 stars (107)
43,397 users

Status-Bar Custom Buttons

Create your own status-bar buttons.

Rated 4 out of 5 stars (9)
70 users

Statusus No Restart

Set your Facebook, Twitter etc. status by selecting a text on any page.

Not yet rated
4 users

Steganografi menggunakan PIT dan PRNG

Add-on penyisipan pesan pada gambar menggunakan PIT dan PRNG

Not yet rated
1 user


Allows persistent charset changes on individual messages. For use with messages that have erroneous charset header...

Rated 3 out of 5 stars (1)
50 users


Shows your favorite stocks in a customizable...

Rated 3 out of 5 stars (80)
152 users


Allows two-way access between Remember The Milk and calendar events or todo items.

Rated 4 out of 5 stars (10)
513 users


Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.

Rated 4 out of 5 stars (752)
693,308 users

Stylish Tools

Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey

Rated 5 out of 5 stars (2)
1,214 users


custom additions to Stylish extension.
brings back features from 0.5.9 and adds new features

I can't be bothered to change SC, so amo will allow it to be uploaded

Rated 4 out of 5 stars (36)
2,606 users

Subject Cleaner

Remove extra strings from the subject while composing the message.

Rated 5 out of 5 stars (1)
689 users

Subject Manager

Manages subject of composed emails.

Rated 5 out of 5 stars (11)
2,666 users

Submit Word (Romanian)

An extention that allows users to submit words for inclusion in the Romanian dictionary.

Rated 5 out of 5 stars (3)
30 users