Responsive Wireframes - high-level example of how a page reflows according to screen size. Example is a typical ecommerce site.
https://ui8.net/products/ux-framework?rel=rola UX Framework
Alien UI Kit
Responsive Website Wireframe Kit by UX Kits on Creative Market
Onboarding inspiration for mobile apps — Muzli -Design Inspiration — Medium
Unique Web Design, Line Mall #WebDesign #Design (http://www.pinterest.com/aldenchong/)
Responsive Web Design: 50 Examples and Best Practices Mais