Download of PyMca 5.1.3 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The following versions: 5.1, 5.0 and 4.7 are the most frequently downloaded ones by the program users.
You can install PyMca on Windows XP/Vista/7 32-bit. The PyMca installer is commonly called PyMca.exe or PyMcaMain.exe etc. PyMca belongs to Education Tools.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. This free software is an intellectual property of V.A. Solé - ESRF BLISS Group.
From the developer:
Stand-alone application and Python tools for interactive and/or batch processing analysis of X-Ray Fluorescence Spectra. Graphical user interface (GUI) and batch processing capabilities provided. In addition to data files, PyMca can also access SPEC shared memory to monitor data acquisitions.
You may want to check out more software, such as Wintree, World Geography Tutor or FSAcars, which might be similar to PyMca.