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.
Dropbox - Online Sync and File Sharing
Ultracopier - SuperCopier replaces Windows explorer file copy and adds many features: Transfer resuming, transfer...
Google Drive - Access and sync your files anywhere
FastCopy - FastCopy is the fastest copy, delete, & sync software on Windows.
Nextcloud - With Nextcloud enterprises host their own secure cloud solution for storage, collaboration & communication from any device, anywhere.