ginstr - ginstr is a business software that lets user create custom form-based apps for customers or employees to download, fill out, sign and return from any web device.

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.