This plugin protects your Wordpress and Buddypress login, comments, and new user/new blog signup process against spambots with a simple math question.

Allow the public to register user accounts on Subsites within a Network (MultiSite) installation.

This plugin has been thoroughly tested and is fully compatible with WordPress 3.0x multisite or with WPMU 2.9.

Adds a HTML comment in the head on the front-end with current server name and address. Description = Where Am I is a tiny WordPress plugin which ad …

Adds a custom favicon to all WordPress/MU Blogs and Administration Panels! Originally based of the WordPress Admin Favicon Plugin by John Kolbert!

MU Plugins Tool allows you to activate or deactivate any MU (must-use) plugins that are installed - on an individual basis or all at once.

Adds a Random Date button when editing a Post, Page or Comment.

Display a list of post counts for all your sites in your network.

Single sign on (SSO) for a custom domain site, where the admin panel is on an SSL-secured subdomain. For WordPress Multisite.

Extends the standard WordPress widgets to be able to run on another blog on the site.

Provides random members and/or groups avatar list + blog list with more options /Widget/

WPMU Custom CSS is a plugin for wordpress mu that helps bloggers to edit their theme style securely. Just like wordpress.com custom css paid upgrade.

Embed a post or a category of posts that is within another website on the same Wordpress network (multisite).

Ensures logins are always done via SSL on a subdomain of the master domain, but access to custom domains are always over HTTP, to avoid cert errors.

Allows you to randomly visit a blog in your multisite network by appending ?randomblog at the end of your URL string.

With This Plugin You Can Add Your Advertisement In Wordpress Network Blogs

Add-on to WPML and to WPMU Sitewide tags plugins. Will propagate WPML language properties to the Network wide aggregation blog.

WPMU MetaTags allows you to control the meta description and meta keywords for the site as well as individual blogs.