Qualzz - Qualzz is a conversion optimization tool that turns your online traffic into sales.
Sumo - Free tools to grow your email list.
GetSiteControl - Website popup builder & email marketing suite for ecommerce
OptinMonster - OptinMonster helps to convert abandoning website visitors into subscribers and customers.
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.
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.