uSync.Complete is a suite of additional packages that add extra functionality to the core uSync and uSync.Content edition packages.
uSync.Complete is a paid-for package. You can install the fully-featured trial to see how it might work for you, but to get the full features permanently, you have to buy it.
Packages in uSync.Complete
Publish content/media and settings between Umbraco sites without having to move files between them.
Export single elements or groups of elements, download/upload sync files.
Take point-in-time snapshots of your Umbraco setup and sync between environments.
Sync users and members.