Duplicate Windows 1.6.2 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The application lies within System Tools, more precisely System Optimization.
This software for Mac OS X is a product of Fabián Cañas. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
Duplicate Windows is an application that allows you to visually duplicate any window in Mac OS X live and on-the-fly. This app is useful for presentations, teaching, live demos, and making web video more convenient on the desktop. Also you can duplicate windows across monitors.
You may want to check out more software for Mac, such as Duplicate Photo Cleaner, Cisdem Duplicate Finder for Mac or Easy Duplicate File Finder, which might be similar to Duplicate Windows.
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