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.

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Whether you want it or not, your site is going mobile - every day. Use Ghostlab to make sure all your users get the same neat experience - whatever operating system, browser or smart phone they are using.

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