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!

Guess The Product - Provide quick, valuable feedback by guessing a product based on its landing page. You'll get max 40 seconds and 140 characters. Help out others and they'll return the favor.

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

Recall Patrol - Instant product recall notifications sent to your device

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

EventsBase - Find the best professional events nearby or globally