AdiumBook

A free Mac OS X bridge application between Adium and Address Book, used to search, manage and keep your contacts in sync.

Manage:

Add Adium contacts to Address Book, update card's information using Adium data.

Search:

Find an Adium contact in Address Book and vice versa, full text search for both applications.

Reports:

Listing of contacts grouped by IM service, contacts with/without picture, contacts present in Adium but not in Address Book and vice versa.

Extra:

Simple intuitive interface, download and run, no configuration required. Open Source software, with full AppleScript Studio project sources available.