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!

Quadbot - Build your own Robot

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

Harry Potter Kano Coding Kit - Build a wand. Learn to code. Make magic.

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

Bitsbox - Monthly code projects for kids