rsync is a utility for efficiently transferring and synchronizing files across computer systems, by checking the timestamp and size of files. Developed by Wayne Davison
License: Open Source
Synkron is a user-friendly, cross-platform synchronization tool that offers real-time syncing and a graphical interface, making it ideal for casual users. On the other hand, rsync is a powerful, command-line-based tool favored by advanced users for its efficiency and configurability, especially in handling large data transfers.