You could have downloaded iXAFS 3.0.3 for Mac from our software library for free. The bundle id for this application is edu.iit.csrri.iXAFS. The app's installation file is generally known as ixafs3.0.3.dmg. This free software for Mac OS X was originally developed by Matt Newville. The following version: 3.0 was the most frequently downloaded one by the program users. The program is included in Education Tools.
From the developer:
iXAFS uses a spectroscopic technique to probe physical structure of matter.
XAFS is a spectroscopic technique that uses x-rays to probe the physical and chemical structure of matter at an atomic scale. XAFS is element-specific, in that x-rays are chosen to be at and above the binding energy of a particular core electronic level of a particular atomic species.
You may want to check out more software for Mac, such as Genealogy Pro, Curvus Pro X or Analytics to Earth, which might be related to iXAFS.