SolTrace 2012.7.9 can be downloaded from our website for free. This free tool was originally designed by NREL. This PC program works fine with 32-bit versions of Windows XP/7/8/10. SolTrace relates to Education Tools. The following versions: 2012.7, 2011.7 and 1.0 are the most frequently downloaded ones by the program users. The program's installer file is commonly found as SolTrace.exe.
From the developer:
SolTrace is a program for modelling concentrated solar power (CSP) systems and analyzing their optical performance. This program uses Monte Carlo ray-tracing methodology. The user selects a given number of rays to be traced. Each ray is traced through the system while encountering various optical interactions.
You may want to check out more software, such as Wintree, PolicyMaker or World Geography Tutor, which might be similar to SolTrace.