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.
Mutiny - Personalize your website for each visitor
Evolv - Evolv is the visual editor for web-based projects that are used to find better ways to connect with customers in order to improve marketing economics.
Markettailor.io - Convert the traffic you already have and reach different B2B customer segments through personalized websites. No code ─ build personalizations in minutes with visual editor and high quality company data.