Google Forms - Simple web forms from Google.

Canny - Canny helps you collect and organize feature requests to better understand customer needs and prioritize your roadmap.

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.

Delighted - The fastest and easiest way to gather actionable feedback from your customers

Qualtrics - Qualtrics is the most trusted research platform, helping brands make crucial business decisions. From surveys to insights to action.

Wootric - Wootric is software that allows apps and websites to take customer satisfaction surveys so that you can properly gauge the popularity and success of your app through the eyes of the people using it. Read more about Wootric.