PowderPlot 2.0.1 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free software for Mac OS X was originally designed by Geocities.
The following versions: 2.0 and 0.3 are the most frequently downloaded ones by the program users. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The software is included in Education Tools.
From the developer:
Stand alone Java program to show RIETAN-2000's powder pattern out put files(*.pat).
PowderPlot can display *.pat files and *.int files.
You can zoom patterns by dragging the plot area where you want to see. Double click to show whole pattern. On "move" mode, you can drag graph area
You may want to check out more Mac applications, such as iRNAi, NLVM or DesignWorks Professional, which might be related to PowderPlot.