Survey Monkey - Create and publish online surveys in minutes, and view results graphically and in real time. SurveyMonkey provides free online questionnaire and survey software.
Optimizely - A/B testing you'll actually use.
Survey Analytics - Enterprise customer research platform
VWO - Use VWO to tweak, optimize & personalize your website with minimal IT help.
Survey Anyplace - Easy & Attractive Mobile surveys. Survey Anyplace enables anybody to create a mobile survey for tablets and smartphones. No app install. All devices.
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.