Brings the look and feel of Firefox style sidebars to Seamonkey. In addition, xSidebar also implements the infrastructure (the XUL elements and javascript APIs from Firefox) to make porting Firefox sidebar extensions to Seamonkey as painless as possible.

Directory of available extensions with user reviews.

Automatically reloads a web page every so many seconds or minutes.

Provides quick access to more than 25 SEO tools.

Allows organizion of notes into a tree.

A dynamic sidebar for Mozilla apps that include many programs in one sidebar.

A news, weblog, and RSS aggregator that runs directly in your Mozilla web browser.

General Firefox extensions that have been modified to work on SeaMonkey.

Enhancement extensions created by Jeremy Gillick.

Localized desktop calculator application allowing input in both "standard" and reverse polish notation.