SaaSiter Contacts Importer - Allow users to import contacts into their system.
CloudSponge - Companies from every industry use CloudSponge’s Contact Picker to get access to their users’ address books.
OpenInviter - OpenInviter is a free import contacts (addressbook) script from email providers like Mail2World...
SocialInviter - Social inviter enables your user to import contacts, import friends, send message to friends, fetches user profile and post content to social networks in clicks.
Everchain Wallet - White Label Wallet solution enables you to launch a ready-made, non-custodial cryptocurrency wallet under your brand.
HybridAuth - HybridAuth A PHP Library for authentication through Facebook, Twitter, Google, Yahoo, MySpace...