Extensions by Name
SRB Lightning Requires Restart
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.
SS Ancestry Quick Button Requires Restart
A quick button link to the website, ssancestry.comyr.com/.
Stacked Inspector Requires Restart
Switch DOM Inspector to an over/under vertical layout instead of the usual side-by-side panel layout.
Asks for the master password at startup (fixes multiple password prompt)
Stationery Requires Restart
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!
Status-Bar Custom Buttons Requires Restart
Create your own status-bar buttons.
Set your Facebook, Twitter etc. status by selecting a text on any page.
Steganografi menggunakan PIT dan PRNG Requires Restart
Add-on penyisipan pesan pada gambar menggunakan PIT dan PRNG
Stego Block Requires Restart
Embeds a small secondary, encrypted message in an email, known as a Stego Block.
StickyCharset Requires Restart
Allows persistent charset changes on individual messages. For use with messages that have erroneous charset header...
StockTicker Requires Restart
Shows your favorite stocks in a customizable...
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StormCows Requires Restart
Allows two-way access between Remember The Milk and calendar events or todo items.
Stylish Requires Restart
Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.
Stylish Tools Requires Restart
Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey
Stylish-Custom Requires Restart
custom additions to Stylish extension
Subject Cleaner Requires Restart
Remove extra strings from the subject while composing the message.
Subject Manager Requires Restart
Manages subject of composed emails.
Submit Word (Romanian) Requires Restart
An extention that allows users to submit words for inclusion in the Romanian dictionary.
SubSwitch Requires Restart
Simplify email categorization - it will be easier for you and others to manage mail. Define the set of prefixes for all emails you send or let SubSwitch to autodiscover it. While writing insert prefix to the title - choose one from your set.