Sitewide Tag Suggestion

Adds the built in WordPress categories and tags to your pages.

Replaces the plain-text category and tag description editor with a visual editor.

Essential Widgets is a WordPress plugin for widgets that allows you to create and add amazing widgets with high customization option

Add tags to Pages, just as you would do with Posts

An advanced posts display widget with many options. Display posts in your sidebars any way you'd like!

This plugin aims to be the most configurable tag cloud widget out there, able to suit all your weird tag cloud needs.

This powerful plugin allows users to receive email notifications of group activity. Weekly or daily digests are available.

Makes BuddyPress's invitation features more powerful.

Add a Title field to bbPress replies.

Allows users to take control of the way that the links in their Buddypress profiles are handled.

WP Grade Comments makes it easy for instructors who use WordPress in a course setting to give private feedback and/or grades to post authors, all with …

Adds a Prezi shortcode to allow you to easily embed presentations into WordPress.