Eyequant - We’ve built an artificial intelligence that instantly predicts how users will see your website so that you can create landing pages that sell
Design Principles - An open source repository of design principles and methods
Attention Insight - Maximize advertising campaign results and design performance with pre-launch analytics.
Facebook Design Resources - A collection of free resources made by designers at Facebook
VisualEyes.design - Instant visual analysis of websites to perform competitor analysis or conversion rate optimization.
Facebook - Connect with friends, family and other people you know. Share photos and videos, send messages and get updates.