UserTesting.com - Usability testing has never been easier. Get videos of real people speaking their thoughts as they use websites, mobile apps, prototypes and more!

Google Forms - Simple web forms from Google.

Userbrain - Easy, fast, and affordable user testing for websites and prototypes.

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.

userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.

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