No specific info about version 3.1. Please visit the main page of HTC Sync Manager on Mac Informer.
Link your Mac to your Android phone - HTC Hero, Motorola Droid, Google Nexus One and many others.
A utility that enables users to enjoy the SugarSync service.
A handy tool for synchronizing and backing up data.
Sync contacts and calendars with your Mac computer.
Make copies of your data by synchronizing two folders.