Hiver - Manage Customer Support, Sales and Projects right from your Gmail inbox. Collaborate with Shared Labels, Shared Contacts, email notes, email reminders and email templates
OptinMonster - OptinMonster helps to convert abandoning website visitors into subscribers and customers.
Clean Email - Clean Email is an online service that empowers you to take control of your mailbox.
OptiMonk - OptiMonk is the most powerful Onsite Retargeting platform, that helps you increase the conversion rate of your site, and get more leads by recovering lost visitors.
Nylas Mail - The Nylas Cloud API powers your application with email, calendar & contacts features. Built-in features for better email, calendar, and contact management.
Growthmysales - Increase e-commerce sales, grow email lists, and engage visitors effortlessly with our 5-minute simple popup builder.