Generally the desktop manager software from Blackberry does a good job with sync. Go to Blackberry.com and do a search for the MAC OS version of the software.
As for the Mac OS issues, Apple does not play nice with non Apple software but today most software has figured out how to do what is needed to complete tasks the software needs to do. Blackberry company is moving away from older Blackberry's so you need to be sure of your needs using older phones.
This is a link BlackBerry Desktop Software - BlackBerry OS Software - EN - United States