Ghostlab is a Mac based app that allows you to test out your responsive design across a variety of devices and browsers.
Ghostlab has two modes of synchronizing which page to load and when: automatic loading of the most recent HTML content, and on-click synchronization. You can change this behavior in the Clients section of the preferences.
ish. is yet another viewport resizer. What's with the name, you ask? Small-ish. Medium-ish. Large-ish. That's the idea.
Remote Preview allows very fast previewing of different URL’s to check for possible layout problems, which can then be debugged using various other tools depending on the platform where they occur.
A high fidelity preview tool for review your responsive site across popular device types.
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