Usersnap - Visual Feedback - Usersnap helps your business with its versatile feedback platform to build better, more successful products and services with the help of user feedback. Collect feedback along your product development lifecycle. Try it for free.
Design Pickle - Unlimited graphic design services for flat monthly fee
Tweakr.io - The fastest way to get visual feedback 📌
Snappa - The perfect graphic design tool for digital marketers.
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.
ManyPixels - Unlimited, on-demand design services for freelancers, startups, and agencies.