You could have downloaded BusySync 2.3.1 for Mac from our application library for free. This Mac download was checked by our built-in antivirus and was rated as safe. The actual developer of this software for Mac is BusyMac LLC. BusySync for Mac is categorized as Productivity Tools.
From the developer:
BusySync allows multiple users to share and edit iCal calendars on a local area network and sync iCal with Google Calendar. BusySync is a Mac OS X System Preference Pane that runs in the background and adds calendar sharing capabilities to iCal. Leveraging Apple Sync Services and Bonjour, calendar events created in iCal are instantly synchronized with other iCal users on the network and with Google Calendar.
You may want to check out more Mac applications, such as iAlarm or Chronos, which might be similar to BusySync.