Just added an exit intent popup to a client's site, they started getting leads in the first day! Seeing some impressive conversion rates so far.
Proof - Website conversion rate optimization and visitor monitoring
SocialPilot - SocialPilot is an app designed to help businesses and professionals with social media marketing.
Fomo - Fomo turns your site into the online equivalent of a busy store
OptinMonster - OptinMonster helps to convert abandoning website visitors into subscribers and customers.
Buzzstream - Build Relationships. Build Buzz. Web-based software that helps the world’s best marketers promote their products, services and content.
GetSiteControl - Website popup builder & email marketing suite for ecommerce