Here is the 1.28.2.2 viewer

Added a security certificate to the download site which should cause less complaints about the download.
https://cattencarter.com/CoolVLViewer1.28.2.2.zipMD5(CoolVLViewer1.28.2.2.zip)= 6a1fc1da11798b168029ad87b45e58b5
SHA1(CoolVLViewer1.28.2.2.zip)= d3a8418392803c47e7c8c1dfa3b00fb6273607a0
You will need to install the gstreamer package to play movies.
You can get it from here:
https://gstreamer.freedesktop.org/data/pkg/osx/1.16.1/gstreamer-1.0-1.16.1-x86_64.pkg