A problem with a tool
If a tool crashes, shows a wrong result, or does not do what its page says, report it on that tool's GitHub page. Open the tool in the catalog, follow its "Source" link to the repository, and open an issue there. Include your Windows version, the tool version, what you did, and what happened. GitHub issues are for bug reports.
Commercial licensing
The tools are released under the PolyForm Noncommercial License 1.0.0, which does not permit commercial use, including use by a business. To ask about using a tool at work, email contact@jde-projects.com and name the tool.
Anything else
For anything else that is not a bug, email the same address.