Invision - Prototyping and collaboration for design teams
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
Dotarchy - Pick a topic, discuss it, make some Friends
Attention Insight - Maximize advertising campaign results and design performance with pre-launch analytics.
Start on Android by Google - Developer program to optimize your app before you launch
Heurix.io - Heurix is a free heuristic evaluation tool that helps you work out how to improve your website.