If you want to find the right projection setup, let me know: What do you use? (Windows or macOS)
When you search for "Mad Mapper free free," you are likely looking for a zero-cost, unrestricted version. Technically, MadMapper is not free to use for commercial or long-term projects. However, the official developers, GarageCube, provide a with the understanding that it is for "testing and learning".
GarageCube offers a significant discount for verified students and teachers. While not free ($99/year), it is a fraction of the commercial cost. This gets you:
While is not a completely free software, you can download a free demo version from the MadMapper official website to test its features. Free Demo Features & Limitations