The complete MacTeX Distribution is part of the TeX Collection produced by the TeX User Groups, and also contains additional Front Ends, Spell Checkers, Documentation, and Showcase items. This extra material can be obtained by downloading MacTextras.zip from the following multiplexer site:

MacTeXtras.zip   [ 2.2M - 14 March 2024 ]
The md5 sum is f1d47466e4fb3430a99e5e52cff548aa
It consists of:

Happy TeXing on macOS !