The ultimate plugin and service to stop and kill splogs in WordPress Multisite and BuddyPress, from WPMU DEV.
Gives network admins an easy way to see what themes are actively used on the sites of a multisite installation
Gives network admins an easy way to see what plugins are actively used on the sites of a multisite installation
Adds a customizable good looking HTML template to all WP default text/plain emails and lets you set a custom sender name and email address.
Get the official Twitter Follow Button as a Widget or Shortcode for your website.
Adds a simple widget that contains important links for use on a community blogging site - new post, new page, login, logout, etc...
This plugin provides a [user_info_login] shortcode to let you embed a User Info or Login section without farting around with page templates or widgets
Adds a small "Spam prevention powered by Akismet" to the footer of every blog to abide by Akismet licensing terms.
Cache Gravatar in your Host and speed up your site
This plugin allow to apply some WordPress API's functions into your post/page content or as a widget.
Bloglist, recent posts and comments from the whole network.
Social media share and bookmark buttons with integrated analytics. Automatically display buttons for those social networks, where visitor registered.
The Kerstner Foundation (Kerstner.org) offers FREE Web Hosting to nonprofits. To qualify you must install and activate this plugin.
Enables superusers to copy existing sub blogs to new sub blogs.
WordPress removes the Update Services ability when you create a network. Activate this plugin to get it back.
Reorders the My Sites dropdown menu in the Admin Bar alphabetically. It keeps the main blog at the top.
Changes visibility of a blog after it has had no activity for a specified amount of time.
Replace the input field for adding existing users to a site with a more comfortable dropdown menu!
Based on crashutah, apeatling plugin Disables the activation email and automatically activates new users in BuddyPress under a standard WP install and
This plugin changes the blog author links on a buddypress site to link to the author's buddypress member profile.
The delicious tagroll for WordPress plugin adds a new shortcode to WordPress, the [delicious_tagroll] shortcode.
The essential plugin for every multisite install! Manage plugin access permissions across your entire multisite network.
Cool Social Counter for your Post.
Disables KSES for the WordPress Editor Role. Compatible with MU.
WordPress plugin for Latvian Social Network Draugiem.lv
This plugin removes the nag notice at the top of WPMU plugins and themes.
BW Posts Top is a widget to show your posts on top of website. You can use it to show latest post with many themes.
BW Slideshow is a widget to show posts as a nice slideshow. You can control themes, show or not desciption.
Allows site administrator to set the defaults for all new blogs created on server.
A simple addon that will allow comments to be added to product listing, to the MarketPress Ecommerce Plugin.