AdiInviter Pro - The ultimate contacts importer and tell-a-friend system for your website.
Evercontact - Your contacts always up to date and automatically with Evercontact.
CloudSponge - Companies from every industry use CloudSponge’s Contact Picker to get access to their users’ address books.
CONTACTBOX - CONTACTBOX combines the simplicity of an address book with effective functions of a CRM system.
SaaSiter Contacts Importer - Allow users to import contacts into their system.
Bigin by Zoho CRM - Pipeline-centric CRM built and priced for small businesses