In many country's such software is illegal and you can be held accountable, especially if you provide it in a way which makes you earn money. If you make sure

In many country's such software is illegal and you can be held accountable, especially if you provide it in a way which makes you earn money. If you make sure your software is just more economical/accessible without giving a unfair advantage is often less illegal or at least tolerated in many counties. And many counties include EU countries like Germany.