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 - 17 February 2024 ]
The md5 sum is 57f2a2960cbd220b0f54c13707648717
It consists of:

Happy TeXing on macOS !