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Which ones? Can you show an example of such a maze generator? It’s hard to compare otherwise.

Just a few from a quick search:

That first one looks suspiciously similar to OP's.

Uncanny how two UIs for a program with a small number of parameters, which output the same kind of thing, can look so similar. I call shenanigans!

There's also the book Mazes for Programmers for writing your own.