No specific info about version 3.9. Please visit the main page of Sync Checker on Mac Informer.
HTC Sync Manager makes it easy to sync all of your media to and from your computer with your HTC phone.
Synchronize, back up and restore data between two folders.
ShareFile Sync provides an easy way to access and synchronize personal folders.
Application to share and sync the contacts and Address Book groups.
ShareFile Sync allows you to synchronize folders within your ShareFile account