Kialo - Kialo is the platform for rational debate. Empowering reason through friendly and open discussions.

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!

Socratrees - Socratrees outlines arguments into intuitive hierarchies of supporting and opposing statements. This design is loosely based on argumentation theory. However, we do not expect you to be familiar with theory in order to start using Socratrees.

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

Acceptify - With acceptify, fast and sustainable decisions can be made for a variety of people.

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