Mozilla Add-ons

Note: see Plugins to obtain plugins for Mozilla (e.g. Java, Flash.)

Localizations You can change the Mozilla user interface from English to any of these languages.

The number of available languages continuosly increase, so check back later if yours is not listed yet.

See the Mozilla Localization Project pages for more details and information on how to contribute a localization in your language, and the complete list of contributed localized material.

Calendar Mozilla Calendar, currently in alpha testing but very usable, will be a standards-based calendaring solution, and the sixth member of the Mozilla suite of applications. (Windows and Linux only.)
Install | Home
Spellchecker Mozilla does not yet ship with a spelling checker by default, but one is under development at MozDev.
Install | Home
PGP/GPG Encryption in Mail Mozilla already supports S/MIME out of the box for secure email; Enigmail is an addon for PGP/GPG support. (Requires command-line PGP/GPG program.)
Install | Home
Jabberzilla Instant Messaging Jabber is the open-source instant-messaging client which can talk to any other instant messenger on the planet (AOL, MSN, ICQ...) Jabberzilla is a Mozilla sidebar Jabber client.
Install | Home
MozBlog Blog with Mozilla while you surf.
Install | Home
Mouse Gesture Support Navigate the web using click-and-drag mouse gestures.
Install | Home
MathML Editor Mozilla supports display of MathML, the Mathematics Markup Language. (You can make MathML render much better with the appropriate fonts.) An editor has also been developed.
Install | Home
BannerBlind To add to our excellent popup suppression support, BannerBlind hides ad banners on most websites.
Install | Home

More Mozilla addons can be found at MozDev and XULPlanet.