DesktopMirror for Google and ACT! lets you sync information between Sage ACT! and Google. DesktopMirror sync Google and ACT! on the following data: Google Contacts and ACT Contacts; Google Calendar and ACT Calendar.
By synchronizing ACT! with Google account, you may also transfer your ACT! Contacts and Calendar information to your mobile phones or tablets through the Google Mobile Sync.
DesktopMirror synchronizes most fields in the Contacts and Calendar events records. And there are the custom fields mapping options let you customize the sync.