lzhw
LZHW Windows command line lossless compression tool for tabular files
...The tool can work in parallel and most of its code is written in Cython, so it is pretty fast.
It is based on python lzhw library.
Full tool documentation can be found at: https://mnoorfawi.github.io/lzhw/6%20Using%20the%20lzhw%20command%20line%20tool/
While the documentation for the python library is at: https://mnoorfawi.github.io/lzhw/