Sync2 is described as 'Synchronize Microsoft Outlook between computers using external USB device, shared network folder or FTP. Sync Outlook contacts, calendars (appointments, meetings and all events), tasks, notes and e-mails without a server. Share Outlook folders on your laptop with your desktop' and is an app in the office & productivity category. There are more than 10 alternatives to Sync2 for a variety of platforms, including Windows, Android, iPhone, Mac and Web-based apps. The best Sync2 alternative is iCloud, which is free. Other great apps like Sync2 are EteSync, AkrutoSync, GO Contact Sync Mod and gSyncit.