Optimizely - A/B testing you'll actually use.
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.
BEYABLE - Real-time personalization solutions for e-commerce & lead gen websites
Google Forms - Simple web forms from Google.
Enhencer - Enhencer is an auto-machine learning SAAS platform that helps e-commerce sites to predict customer behaviours and take actions accordingly
Qualtrics - Qualtrics is the most trusted research platform, helping brands make crucial business decisions. From surveys to insights to action.