Optimizely - A/B testing you'll actually use.
ExitIntel - ExitIntel is a full service conversion optimization agency that focuses on making eCommerce companies more money with behavioral tracking technology.
VWO - Use VWO to tweak, optimize & personalize your website with minimal IT help.
Comprendi Text2Insight - Comprendi is a sentiment analytics platform capable of handling very high volumes of text
Google Analytics - Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.
BounceX - BounceX's Behavioral Marketing Cloud offers a full-service suite of behavioral marketing solutions.