
PNGOUT (http://advsys.net/ken/util/pngout.exe) (from Ken Silverman (http://advsys.net/ken/utils.htm))
PngOptimizerCL (from psydk.org (http://psydk.org/PngOptimizer.php))
"64switch" program (PngOptimizerCL.exe in this compilation) by Hendricks266
Scripts and Compilation by Hendricks266
