My Favorite Add-ons

by SouzaRM

283 Add-ons in this Collection

Highlighter by André Rodier

Rated 4 out of 5 stars 55 reviews

10,967 users

Quickly highlight some text in Thunderbird message composing windows.

DejaClick by AlertSite

Rated 4 out of 5 stars 51 reviews

1,810 users

Record, bookmark and replay your browser activities in a snap with DéjàClick. Designed for Firefox, DéjàClick can handle the most complex websites - including AJAX, Flash, forms and more. With a single click you can repeat your most common tasks.

Mailbox Alert by Tjebbe

Rated 4 out of 5 stars 102 reviews

16,255 users

Mailbox Alert allows you to specify, for each seperate mail folder, a message, sound and/or a system command that will be executed when new mail is found there. ...

QuickJS by eiji.anonremail

Rated 4 out of 5 stars 15 reviews

6,821 users

Enable/Disable JavaScript with Toolbar button.

Fox Splitter by Piro (piro_or)

Rated 2 out of 5 stars 38 reviews

4,000 users

Splits browser window as you like.

Wired-Marker by BITS Co., Ltd. & Prof. Okubo, BITS Co., Ltd.

Rated 4 out of 5 stars 160 reviews

7,391 users

Wired-Marker( is a permanent (indelible) highlighter that you use on Web pages. The highlighter, which comes in various colors and styles, is a kind of electronic bookmark that serves as a guide when you revisit a Web ...

NoSquint by Jason Tackaberry

Download Now


Rated 5 out of 5 stars 473 reviews

74,903 users

NoSquint is no longer maintained. :(

Tab Groups Helper by Kevin Jones

Rated 5 out of 5 stars 76 reviews

3,183 users

Create and manage tab groups in a side-by-side list-view interface, or "Groups Bar" toolbar interface. Single or multi-tab close, bookmark, or move across groups. Search for tabs by title or content in current or all groups. Much more...

New Mail Attention by Giovanni Coriasco

Rated 4 out of 5 stars 46 reviews

5,458 users

This addon calls attention to main window on new message arrival.

Copy Links by JackieKu

Rated 5 out of 5 stars 49 reviews

8,422 users

Copy multiple URLs in anchors to clipboard.

Custom Buttons by Yan, cubegm, others

Rated 4 out of 5 stars 118 reviews

6,872 users

Gives a possibility to create custom toolbarbuttons...

Tag Toolbar by H.Ogi

Rated 4 out of 5 stars 54 reviews

15,616 users

Add toolbar for toggling tags.

Sticky Notes by Hiroki Kumamoto

Rated 4 out of 5 stars 36 reviews

2,714 users

Put sticky notes on the web page.
Jump to sticky from sidebar.
Share stickies between browsers. (need login to server)

FireQuery by BinaryAge, Jan Odvarko

Rated 4 out of 5 stars 55 reviews

11,510 users

Firebug plugin for jQuery development

Close Tab Button by tynn

Rated 5 out of 5 stars 16 reviews

22,204 users

Adds an ×-PageAction to close the tab
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