What are some alternatives?
When comparing TeraCopy and Duplicati, you can also consider the following products
Robocopy - Robocopy is a free file copy tool that is included with the Microsoft Windows operating system. It allows one to construct complicated instructions to move, or copy files.
rsync - rsync is a software application for Unix which synchronizes files and directories from one location...
Ultracopier - SuperCopier replaces Windows explorer file copy and adds many features: Transfer resuming, transfer...
GoodSync - GoodSync provides highly reliable file backup and synchronization for both individuals and businesses.
FastCopy - FastCopy is the fastest copy, delete, & sync software on Windows.
CrashPlan PRO - CrashPlan for Small Business backup software offers the best way to back up and store business & enterprise data securely - offsite, onsite & online in the Cloud.