bin/upx: https://github.com/upx/upx
The Ultimate Packer for eXecutables Copyright (c) 1996-2017 Markus Oberhumer, Laszlo Molnar & John Reiser. Licensed under GPL with exceptions.

bin/convert: https://github.com/ImageMagick/ImageMagick
ImageMagick, Copyright 1999-2018 ImageMagick Studio LLC, a non-profit organization dedicated to making software imaging solutions freely available.