Three of the most widely used file sync, backup, and share services are compared here side-by-side: Dropbox, Mozy, and SugarSync. Depending on how much and how often you plan to sync, backup, or share files, one of these services may be more suited to your needs. Specifically, the free features, the paid features, the pricing, and the overall value are compared. All three services offer both free and paid packages. First, a brief overview of SugarSync, Mozy, and Dropbox, followed by a side-by-side comparison of all three services.