OptinMonster - OptinMonster helps to convert abandoning website visitors into subscribers and customers.

Salesforce Marketing Cloud - Salesforce digital marketing software allows connect interactions from any channel or device, and combine customer data and behaviors to create real-time relevant communication.

Sleeknote - Set up lead capture forms on your website in minutes. No coding required. Sync your new email leads with your favorite email service provider. Try for free.

HubSpot Marketing Hub - HubSpot is a cloud-based inbound marketing software that allows businesses to transform the way that they market online.

Poptin - Create engaging and high converting website pop ups and contact forms in minutes. With Poptin, you get access to a feature-packed conversion rate optimization toolkit that converts more website visitors into email subscribers, leads, and customers.

MailChimp - MailChimp is the best way to design, send, and share email newsletters.