PreFlight - Preflight is an Automated Web Testing tool. Allows everyone to automate Web UI tests.
One Click Test - Tool for quickly testing your design layout in one click.
Monkey Test It - Primate powered algorithms that scan your site for common bugs and SEO mistakes.
XPRS - Free website builder - making web design like Lego™. No code
Chameleon - A platform for better user onboarding. Build, manage and improve product tours without code.
Dimensions Toolkit - Chrome Extension for designers to test responsive websites.