DeltaCopy is described as 'Let's say you have to backup one file that is 500 MB every night. A normal file copy would copy the entire file even if a few bytes have changed. DeltaCopy, on the other hand, would only copy the part of file that has actually been modified' and is an app in the Backup & Sync category. There are more than 10 alternatives to DeltaCopy for a variety of platforms, including Windows, Mac, Linux, iPhone and BSD. The best alternative is rsync, which is both free and Open Source. Other great apps like DeltaCopy are Bvckup 2 (Paid), Robocopy (Free), Allway Sync (Freemium) and PureSync (Free Personal).
Robocopy, or "Robust File Copy", is a command-line directory replication command. It has been available as part of the Windows Resource Kit starting with Windows NT 4.0, and was introduced as a standard feature of Windows Vista, Windows 7 and Windows Server 2008.
Allway Sync is a file and folder synchronization software for Windows. It is FREE for personal use (with limitations), however, you should pay for a Pro license if you use this software for a commercial purpose or to process more than 40,000 files in a 30-day period.
PureSync is a professional file backup and synchronization software, that can automatically keep a backup of your important files, import files from your digital camera and synchronize the contents of multiple folders, but not from "Windows Mobile" devices and no...
JFileSync is a Java application used to synchronize directories of two different file systems. For instance, you want to synchronize a set of directories on your laptop with a set of corresponding directories on your workstation. English and German UI.
A graphical user interface for rsync, which looks-and-feels like a standard FTP client, but uses the rsync protocol ‘under the hood’ to boost transfer speeds. In technical terms, it’s an SSH browser with an rsync transfer engine.
Great for synchronizing large collections of media files such as MP3s, Videos, etc... without copying every file. Save time by only copying the files that are new or different. Use "Clone Mode" to synchronize a folder to match a master folder.