openw3rkCSG is a lightweight checksum generator for Windows with a graphical overlay, scripted in Python.
Attention: openw3rkCSG requires Python 3 or later.

Get o3CSG for Windows:

Click here to Download o3CSG 5.1 | ZIP

Attention: The EXE in ZIP folder is NOT a Windows-setup, all files in the folder have to unzip in one folder.