The 1.0.6 version of DxO Perspective for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this Mac application is DxO Labs. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. DxO Perspective for Mac belongs to Design & Photo Tools.
From the developer:
DxO Perspective is perfect for the photographer looking for a quick and easy way to straighten photos and adjust their perspective without having to purchase expensive tools. With DxO Perspective , you can correct any perspective issues in your images in just a few clicks. A skewed building? A tilted horizon? Simply place the anchor points along the lines you want to fix, and your image instantly achieves a more natural look.
You may want to check out more software for Mac, such as DxO ViewPoint, DxO FilmPack 5 or DxO Connect, which might be similar to DxO Perspective.