Adobe CSXS Infrastructure CS6 3.0.1 for Mac was available to download 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 Audio & Video Tools, more precisely General. This free software for Mac OS X is a product of Adobe Systems Inc. We recommend checking the downloaded files with any free antivirus.
From the developer:
Adobe CSXS Infrastructure CS6 is the platform that delivers extensibility within Creative Suite products.
You may want to check out more Mac applications, such as Adobe SpeedGrade CC, Adobe Revel or Adobe Creative Suite Cleaner Tool, which might be similar to Adobe CSXS Infrastructure CS6.