The repository includes all OpenFOAM tutorials created by Tobias Holzmann and are available on the website https://Holzmann-cfd.com
The 33 tutorials are based mainly on the OpenFOAM version from cfd.direct (https://OpenFoam.org) while a few others are based on the OpenCFD OpenFOAM version (https://OpenFoam.com).
Since cfd.direct removed the AMI and ACMI approach completely, some tutorials were converted to the OpenCFD version in order to keep them in the history line.
All tutorials given in the repository are identical to the one given on my website https://Holzmann-cfd.com However, based on large geometry and background files and lack of LFS (large-file-tracking) of GitHub (only 1GB storage + 1GB traffic), I removed all geometric data from the repository. Hence, you need to download the full case (including all geometric data) from my website.