MacTeXtras is a collection of auxiliary material for Macintosh machines, beyond what provides. It is a .zip file, that contains extra programs, demos and documentation for MacTeX users.
Beware: the download is large (approaching 500Mbytes).
The author is TUG TWG-MacTeX.
License: other-free Version dated: 2011-09-20 Catalogued: 2011-09-21