Novocall - Novocall converts web visitors into sales calls in seconds.
OptinMonster - OptinMonster helps to convert abandoning website visitors into subscribers and customers.
Facebook Auto Reply - Create Facebook autoresponder campaigns for your pages and groups.
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.
Inbound Rocket - Converts visitors into leads, subscribers & customers
GetSiteControl - Website popup builder & email marketing suite for ecommerce