FluxSPT

FluxSPT is a stand-alone free software tool that computes flux maps and heliostat field efficiency.
The aiming strategy can be selected in its Graphical User Interface (GUI) between: single (equatorial) aiming and multi-aiming based on the k factor parameter.

Prerequisite: MATLAB Runtime for R2020a (version 9.8), which can be freely downloaded from this link.