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Apps with 'Delta Backup' feature

  1. Store your private pictures, documents, calendar and contacts on your ownCloud server at home, a rented VPS or use one of the public ownCloud providers.
  2. rsync is a software application for Unix which synchronizes files and directories from one location to another while minimizing data transfer using delta encoding when appropriate.


  3. Areca Backup is a file backup software which can be run on Windows or Linux. It creates backup copies (which can be encrypted and compressed) of your files and stores them on external drives, USB keys, FTP servers, supporting incremental, differential and full backups.

    Discontinued

    Last Update: 2015-08-26. See https://sourceforge.net/projects/areca/

  4. Fast Real-Time Backup. Continuously monitor folders for changes and update their backup copies immediately after the originals are modified. Or run backups at fixed time intervals.

    Discontinued

    Bvckup is free of charge but is unmaintained and has compatibility issues with Windows Vista and newer. You can consider switching to Bvckup 2 ( Bvckup 2 ) , which is a build from scratch commercial software that implements the same idea.

  5. GS RichCopy 360 is the ONLY file copy utility that utilizes its own proprietary Multi-Threading technology that uses all available logical cores in the system.