However, I’d be happy to help you draft a of the software (based on its features, usability, pros/cons, and value), or guide you toward free/open-source alternatives if you're looking for taskbar auto-hide functionality.
If you are looking for taskbar customization on newer versions of Windows (10 or 11), several modern, open-source alternatives exist: TranslucentTB taskbar hide 3.1.1 registration code