EnjoyHQ - The User Research Platform for Data-Driven Teams

What is an “Intelligent Platform”? - The Answer to PhoneGap UI Development

Combining Responsive and Adaptive Strategies to Solve Mobile Design Challenges

pocket - When you find something you want to view later, put it in Pocket.

Adobe Shadow Preview & inspect content on your devices

Responsive Design: 160 Useful Tools, Plugins And Resources

Responsive Layouts, Responsively Wireframed

Distributed Experiences: Multi-Device Design

Rapid Prototyping For Any Device With Foundation

Screenfly – Wie die Website auf dem Smartphone aussieht…

Case Study: HTML5 MathBoard

Less Framework 4 - An adaptive CSS grid system

8 Essential Developer Apps for Multiple Platforms

The-M-Project - write cross-platform mobile apps