OpenFunScripter is in theory available for MacOS. Gagax123 who develop it has made the code platform independent and I think he set up a build for it, but it is untested. Maybe you could get involved in the project and help out. Gagax123 has no Mac, but managed to get it running on a virtual machine after a lot of security disabling. Not a good solution though. Read more in this post:
https://discuss.eroscripts.com/t/openfunscripter-another-scripting-tool-1-1-0-release/4457/354