The 2.4 version of GenX 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.
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. GenX for Mac is included in Education Tools. This free Mac app is an intellectual property of Matts Björck. The following version: 2.0 is the most frequently downloaded one by the program users.
From the developer:
GenX is a scientific program to refine x-ray refelcetivity, neutron reflectivity and surface x-ray diffraction data using the differential evolution algorithm. GenX is very modular and highly extensible and can be used as a general fitting program.
Requirements : Mac OS X 10.6 or later.
You may want to check out more Mac applications, such as Genealogy Pro, Analytics to Earth or TreeView X, which might be similar to GenX.
Science Tools