Снимка: 

The simple way to turn your WordPress blog into a Social Network. Mingle uses your standard WordPress website and standard WordPress theme to create profile pages, user friending, profile page posts, profile activities, social comments, email notifications (with privacy settings) and a full directory of members. So go ahead and try it out — give your users a more social experience on your website!

Features:
User Profile Pages
User Friending
User Profile Posting (for friends)
User Profile Post Commenting (for friends)
Friend Activity Pages
Full Member Directory
Login & Navigation Widget
Random or Recent Users Widget
Email Notifications
User Email Notification Opt-Outs