SiteGainer - SiteGainer is an A/B testing and conversion optimization platform.
Optimizely - A/B testing you'll actually use.
invesp Pii Testing Engine - invesp Pii testing engine offers A/B testing solution for site optimization.
Webtrends Optimize - Webtrends Optimize - a powerful, enterprise-grade Testing and Personalisation platform. AB, MVT & Server-side Testing, Product Recommendations & much more.
Lander - Lander is a powerful online tool to create Landing Pages.
Intellimize - Convert more. Optimize and personalize for every website visitor.