This plugin allows you to manage a database of membership info for your club or association. You can add, edit, list, and delete members from the database, as well as export the membership information as a .csv file, which lets you import the data into a spreadsheet.

Membership Database

Maintain membership information for your club or association.

Boone Gorges

CUNY Academic Commons

Turn your member directories into sophisticated directory filters. Admins can select which profile fields are filterable, and visitors can filter in a slick AJAX interface.
WARNING! This plugin may not scale well! Don’t use without decent object caching. 
WARNING! This plugin is not ready to be used on a production site!

BP Better Directories

Fancy schmancy BuddyPress member directories.

Membership Database vs BP Better Directories