Clearbit - Clearbit provides Business Intelligence APIs
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Memotoo - Memotoo allows you to sync your data (contacts, calendar, tasks, .) with phones (iPhone, Android, Samsung, ..
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.
Free Address Book - In our contact management software you can store fast and easily name, phone numbers, birthdays, address, company name, city, mobile numbers, insurance and loan info, e-mail addresses.
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.