Operating system name and version: Mac Mountain Lion
Version of smsd: 1.15
Smsd installed from: sources / package repository / from elsewhere... sources
Name and model of a modem / phone:
Interface: serial / USB / some adapter...

Can I use these SMS Server Tools on MAC OS, if yes.. how do I proceed

SMSTools3 runs on Darwin.

I do not have any specific instructions available, but just open the console and start installing. You will need to place init.d script sms3 somewhere, as it is needed for starting and stopping the daemon safely.