Easy User Test - Easy User Test is a user testing tool that offers the easiest way to test your text and design.
Brand.ai - Create a style guide & integrate with Sketch, Slack, & Gulp
Useberry - User testing feedback and rich analytics in minutes
Mysocial - Powerful, creator tool-box to help you grow your followers, attract more clients and increase your revenue.From up and coming artists to mega influencers.
Peek by UserTesting - Get a free, 5-minute video of someone using your site
RelayThat - Edit and resize thousands of on-brand images in seconds. No design skills needed!