WP Multi Network

Allows multiple domains to be pointed at a single WordPress install with customization for each.

Restrict WordPress user accounts to administrator-approved email domains.

Allows one WordPress installation to be resolved and browsed at multiple domains.

This plugin allows you to have multiple domains in a single Wordpress installation and enables custom redirects for each domain.

A simple dashboard widget to Whois lookup domain name registration information.

Change permalinks for standard or custom post types while using any domain name you want.

Allow registered users to upload and select their own avatars.

Sort taxonomy terms your way.

Assign images to categories, tags, and other taxonomy terms with the WordPress media library.

Organize Media Library attachments with categories and filter them in list and grid views.

Assign colors to categories, tags, and other taxonomy terms.

Group WordPress users with custom taxonomies and terms.