Pakon Planar Raw Converter is script to automate the process of converting the 16-bit planar raw files produced by TLXClientDemo into usable images.
Being able to use raw 16-bit files gives you the most control over your negative scans. Here are some comparisons of "standard" PSI output compared to TLXCD planar output converted with this script.
PSI can only save to 8-bit raw files, leading to image quality issues because of missing data. Here are some examples.