Evercontact - Your contacts always up to date and automatically with Evercontact.
SaaSiter Contacts Importer - Allow users to import contacts into their system.
Pobuca Connect - Connect with your contacts.
CloudSponge - Companies from every industry use CloudSponge’s Contact Picker to get access to their users’ address books.
CRM-gx - Contact Management
OpenInviter - OpenInviter is a free import contacts (addressbook) script from email providers like Mail2World...