Optimizely - A/B testing you'll actually use.
Optmyzr - Optmyzr AdWords Tools. Optimization Solutions, Quality Score Tracker, Landing Page Checker, and more. Free Trial Available.
Dynamic Yield - Personalization & customer experience management
LiveIntent - LiveIntent is a web platform that offers effective e-mail advertising services for marketers and publishers.
AB Tasty - AB Tasty is an all-inclusive platform for conversion rate optimization, personalization, customer activation, and testing.
Adobe Primetime - Adobe Primetime is a multiscreen TV platform that helps broadcasters create and monetize viewing experiences.