This article is from the MachTen & CodeBuilder FAQ, by Jaime Julca firstname.lastname@example.org with numerous contributions by others.
While hundreds of public domain applictions have been ported to MachTen,
commercial vendors have been less enthusiastic. Initially vendors directed
their attention toward A/UX. Not that A/UX no longer exists and Rhapsody is
on the horizon, vendors may become more receptive. A port to MachTen would
easily transition to Rhapsody.