Brand.ai - Create a style guide & integrate with Sketch, Slack, & Gulp
Maze Templates - A library of pre-made user tests and surveys
Frontify Workspace - The overall tool for creative & design collaboration: - upload, manage & share assets
Useberry - User testing feedback and rich analytics in minutes
Emblem - Build your own beautiful brand
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!