Add-ons
Most Popular See all »
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Adds some tools to import and export folders and messages409,017 users -
German Dictionary (new Orthography) for spellchecking in Mozilla products191,994 users -
A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.25,312 users -
Australian English Dictionary for Mozilla applications.12,332 users
Top Rated See all »
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Use SeaMonkey as a standalone e-mail client. Set up a default browser for links opened from Mail & Newsgroups.176 users
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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.25 users -
Flash player plugin - unofficial xpi repack for 64bit browsers. Use when official plugin installer is not suitable. All binary files are copyrighted by their authors and distributed for free.63 users
Recently Added See all »
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Select sender mail address based on the recipient and reply with the same address10 users
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Lightweight add-on that automatically copies any highlighted text to clipboard.72 users
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With MyAdFilter, free content creators propose you only one ad. Apart from those, as your usual ad-blocker, MyAdFilter disables all ads.16 users -
XDM integration module for Firefox on Linux and Mac1 user
See all 177 extensions in Miscellaneous »
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