Whimsical Wireframes - Lightning fast wireframing with real-time collaboration.
Google Opinion Rewards - Answer quick surveys and earn Google Play credits with Google Opinion Rewards.
Balsamiq Cloud - Fast, approachable, collaborative wireframing
Quick Thoughts - Quick Thoughts: Take Surveys Earn Gift Card Rewards is a free to use application that allows you to earn survey rewards like Amazon Gift Cards and others.
Flow - Stop managing projects from your inbox.
Branded Surveys - Branded Surveys is a platform that conducts market research by collecting data through surveys from customers and sharing that information with brands to help them optimize their products and services.