AdiumBook is 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.
• Find an Address Book contact in Adium.
• Full text search for both applications.
  

Reports:

• Listing of contacts grouped by IM service.
• Contacts with no picture.
• Contacts present in Adium but not in Address Book.
• Contacts present in Address Book but not in Adium.