Cimy User Extra Fields
By Marco Cimmino (http://www.marcocimmino.net/)
Why it's awesome: Lets you create additional profile fields for your authors
Why it was picked: Adds infinite possibilities to user profile pages
License: GNU General Public License
Manual Install URL: http://wordpress.org/extend/plugins/cimy-user-extra-fields
Automatic Install search term: CIMY User Extra Fields
Geek level: Webmaster
Configuration location: Settings | CIMY User Extra Fields
Used in: Author profiles
The Cimy User Extra Fields plugin extends the default profile provided by WordPress, giving you the ability to collect additional information on each of your members. For example, you might want to add a Twitter username or Facebook profile URL to help promote your author's other social activities.