Is Boardmaker version 5 for Mac compatible with Mac OS 10.5 (Leopard)?
If you have version 5.1.1 of Boardmaker for Mac this is compatible.
There is an updater available on the Mayer-Johnson Web site:
www.mayer-johnson.com/downloads/updates
Boardmaker Software Family v511 Updater for OSX
Released Mar 1, 2009. Universal Build version 5.1.1a (addresses OS 10.5 Leopard compatibility).