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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.

Not yet rated
9 users

SS Ancestry Quick Button Requires Restart

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

Not yet rated
30 users

Stacked Inspector Requires Restart

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

Rated 5 out of 5 stars (10)
377 users

StartupMaster

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

Rated 4 out of 5 stars (232)
22,379 users

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!

Rated 4 out of 5 stars (113)
36,811 users

Status-Bar Custom Buttons Requires Restart

Create your own status-bar buttons.

Rated 4 out of 5 stars (9)
43 users

Statusus

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

Not yet rated
2 users

Steganografi menggunakan PIT dan PRNG Requires Restart

Add-on penyisipan pesan pada gambar menggunakan PIT dan PRNG

Not yet rated
1 user

Stego Block Requires Restart

Embeds a small secondary, encrypted message in an email, known as a Stego Block.

Rated 4 out of 5 stars (1)
16 users

StickyCharset Requires Restart

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

Rated 3 out of 5 stars (1)
31 users

StockTicker Requires Restart

Shows your favorite stocks in a customizable...

Rated 3 out of 5 stars (80)
80 users

StopAll Ads

GO ADS FREE NOW!
Browse Safely. Optimize Surfing

Rated 5 out of 5 stars (7)
681 users

StormCows Requires Restart

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

Rated 4 out of 5 stars (10)
350 users

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.

Rated 4 out of 5 stars (876)
419,624 users

Stylish Tools Requires Restart

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

Rated 4 out of 5 stars (3)
1,456 users

Stylish-Custom Requires Restart

custom additions to Stylish extension

Rated 5 out of 5 stars (6)
906 users

Subject Cleaner Requires Restart

Remove extra strings from the subject while composing the message.

Rated 5 out of 5 stars (1)
812 users

Subject Manager Requires Restart

Manages subject of composed emails.

Rated 5 out of 5 stars (13)
2,524 users

Submit Word (Romanian) Requires Restart

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

Rated 5 out of 5 stars (3)
22 users

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.

Rated 4 out of 5 stars (7)
1,164 users