Optimizely - A/B testing you'll actually use.
OptinMonster - OptinMonster helps to convert abandoning website visitors into subscribers and customers.
Dynamic Yield - Personalization & customer experience management
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.
AB Tasty - AB Tasty is an all-inclusive platform for conversion rate optimization, personalization, customer activation, and testing.
POPUPSMART - A no-code tool to increase e-commerce sales, build email lists and engage with your visitors in just 5-minutes.