WPtouch iPhone Theme
With a single click, WPtouch transforms your WordPress blog into an iPhone application-style theme, complete with ajax loading articles and effects, when viewed from an iPhone, iPod touch, Android or BlackBerry touch mobile device.

BuddyPress
Social networking in a box. Build a social network for your company, school, sports team or niche community all based on the power and flexibility of WordPress.

GD Star Rating
GD Star Rating plugin allows you to set up rating and review system for posts, pages and comments in your blog.

TinyMCE Advanced
This plugin adds 15 plugins to TinyMCE: Advanced HR, Advanced Image, Advanced Link, Context Menu, Emotions (Smilies), Date and Time, IESpell, Layer, Nonbreaking, Print, Search and Replace, Style, Table, Visual Characters and XHTML Extras.

NextGEN Gallery
NextGEN Gallery is a full integrated Image Gallery plugin for WordPress with a Flash slideshow option.

W3 Total Cache
The fastest and most complete WordPress performance optimization plugin.

Global Translator
Global Translator automatically translates your blog in 41 different languages.