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!

Simple Poll - The easiest way to create polls in Slack

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

Twitter Polls - Polls embedded in tweets

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

doopoll - Create live, instant, editable polls effortlessly