SaaSiter Contacts Importer - Allow users to import contacts into their system.
Akismet - Akismet is a spam fighting service that protects millions of WordPress sites from comment and contact form spam.
OpenInviter - OpenInviter is a free import contacts (addressbook) script from email providers like Mail2World...
ConvertKit - Email marketing software for online creators. We help you earn a living online through an intuitive email marketing automation tool.
AdiInviter Pro - The ultimate contacts importer and tell-a-friend system for your website.
AddToAny - Share buttons by AddToAny, the universal sharing platform for websites and apps.