UX Metrics - UX Metrics offers free tools to research, test, and refine any information architecture.
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.
airfocus - The first modular product management platform: Discover, learn, plan and deliver - your way.
BeFrank - Feedback platform for graphic designers
UserBit - A full-stack qualitative research platform for UX & product teams.
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.