SendPulse is an integrated service to manage email, text and webpush campaigns.

GetResponse (Implix) is an email marketing service provider specializing in online solutions and creating landing pages.

UserEngage is a Real-Time Customer and User Engagement Tool for Big and for Small Businesses, designed for maximizing the conversion.

MailerLite is an email marketing service provider with focus on simplicity, excellent customer support and beautiful email designs.

Vtiger CRM is online customer relationship management software that helps you track and nurture customers across marketing, sales, and customer service.

Intercom is a corporate messaging software.