SaaSiter Contacts Importer - Allow users to import contacts into their system.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
AdiInviter Pro - The ultimate contacts importer and tell-a-friend system for your website.
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
CloudSponge - Companies from every industry use CloudSponge’s Contact Picker to get access to their users’ address books.
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.