Optimizely - A/B testing you'll actually use.
Adobe Target - Adobe Target provides an intuitive user interface and an expanded personalization toolset.
Webtrends Optimize - Webtrends Optimize - a powerful, enterprise-grade Testing and Personalisation platform. AB, MVT & Server-side Testing, Product Recommendations & much more.
Intellimize - Convert more. Optimize and personalize for every website visitor.
Webeo - Dynamically change your B2B website and tailor your website experience to each of your specific audiences to drive increased engagement, conversion and leads.
VWO - Use VWO to tweak, optimize & personalize your website with minimal IT help.