Plugins are tools to extend the functionality of WordPress. This article contains a list of plugins by category, and links to other plugin repositories. The core of WordPress is designed to be lean, to maximize flexibility and minimize code bloat. Plugins offer custom functions and features so that each user can tailor their site to their specific needs.
For instructions and information on downloading, installing, upgrading, troubleshooting, and managing your WordPress Plugins, see Managing Plugins. If you want to develop your own plugin, there is a comprehensive list of resources in Plugin Resources.
WordPress Plugins are available from several sources. The "official" sources for WordPress Plugins are:
Not all WordPress Plugins make it into the above repositories. Try searching the web for "WordPress Plugin" and the keywords for the type of functionality you are seeking.
The following plugins are included with the WordPress core distribution:
For information on building your own plugins, see: