TeraCopy - TeraCopy is a compact program designed to copy and move files at the maximum possible speed, providing the user with a lot of features.

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.

rsync - rsync is a file transfer program for Unix systems. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync.

Ultracopier - SuperCopier replaces Windows explorer file copy and adds many features: Transfer resuming, transfer...

Syncthing - Syncthing replaces proprietary sync and cloud services with something open, trustworthy and...