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!
productboard - Beautiful and powerful product management.
Userbrain - Easy, fast, and affordable user testing for websites and prototypes.
ProdPad - ProdPad helps your team gather ideas, surface the best ones and turn them into product specs, and then put it all on a product roadmap.
userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.
ProductPlan - Cloud-based product roadmap software solution