Pre-Launch Widget Templates - 100+ widgets for your pre-launch campaigns
One Click Test - Tool for quickly testing your design layout in one click.
GoodUI Fastforward - Lift your conversion rate with repeatedly AB tested patterns
XPRS - Free website builder - making web design like Lego™. No code
UI Temple - Curated collection of the best web page designs
Dimensions Toolkit - Chrome Extension for designers to test responsive websites.