Some features are temporarily disabled while we perform website maintenance. We'll be back to full capacity shortly.
Most Popular See all »
-
A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.12,369 users
-
This extension is based on László Németh's Hungarian Dictionary8,671 users
-
Australian English Dictionary for Mozilla applications.8,650 users
-
Adds some tools to import and export folders and messages5,675 users
Top Rated See all »
-
Use SeaMonkey as a standalone e-mail client. Set up a default browser for links opened from Mail & Newsgroups.355 users
-
Flash player plugin - unofficial xpi repack for 32bit browsers.
Use when official plugin installer is not suitable.
All binary files are copyrighted by their authors and distributed for free.39 users -
Join partial messages. Somewhat similar to MS Outlook Express "combine and decode".676 users
-
Remembers last selected (hilited) extension/theme/plugin/userstyle in Add-ons Manager. Version 3.0 also includes sorting buttons. Turn off/on the add-on selection list box and/or fine tune behavior via its Options.1 user
Recently Added See all »
-
This extension allows you to manually sort (order) your folders in the folder pane of SeaMonkey Mail or automatically sort them, but in a better way. This extension also allows you to re-order accounts in the folder pane.21 users
-
Select sender mail address based on the recipient and reply with the same address14 users
-
Lightweight add-on that automatically copies any highlighted text to clipboard.5 users
-
With MyAdFilter, free content creators propose you only one ad. Apart from those, as your usual ad-blocker, MyAdFilter disables all ads.5 users
-
XDM integration module for Firefox on Linux and Mac1 user
See all 171 extensions in Miscellaneous »
To create your own collections, you must have a Mozilla Add-ons account.