MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Forms Manager - Forms Manager is an online form of automation software that helps businesses build forms, manage workflows, and analyze real-time reports.
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.
Launchcloud - Data collection & automation made simple.
Mailjet - All-in-one email service provider that provides maximum insight and deliverability results for both marketing and transactional emails.
XForms - Forms automation solution for medium to large firms