Free and open-source differential file synchronization software for Windows, macOS, and Linux. ByteSync securely compares and transfers only file differences — no VPN, no setup, just fast, encrypted, cross-platform sync and backup.

Duplicati is described as 'Securely store encrypted, incremental, compressed backups on local, cloud, and remote servers. Runs on multiple OSes and offers command line interface' and is a very popular Backup Client in the backup & sync category. There are more than 100 alternatives to Duplicati for a variety of platforms, including Windows, Linux, Mac, Android and BSD apps. The best Duplicati alternative is Rclone, which is both free and Open Source. Other great apps like Duplicati are rsync, Macrium Reflect, TimeShift and Restic.
Free and open-source differential file synchronization software for Windows, macOS, and Linux. ByteSync securely compares and transfers only file differences — no VPN, no setup, just fast, encrypted, cross-platform sync and backup.

Proxmox Backup Server is an enterprise backup solution, for backing up and restoring VMs, containers, and physical hosts. By supporting incremental, fully deduplicated backups, Proxmox Backup Server significantly reduces network load and saves valuable storage space.




Use Time Machine to automatically back up your personal data, including apps, music, photos and documents. Having a backup allows you to recover files that you later delete or can't access.

This free software allows you to backup your data to external drives, network locations, FTP servers and cloud storages.



Bacula is a set of computer programs that permit managing backup, recovery, and verification of computer data across a network of computers of different kinds.








Snapper is a tool for Linux file system snapshot management. Apart from the obvious creation and deletion of snapshots it can compare snapshots and revert differences between them. In simple terms, this allows root and non-root users to view older versions of files and revert...

A cross-platform folder backup software, based off a forked version of kopia. Since it uses kopia, you get end to end encryption with your own password.

Emborg is a simple command line utility to orchestrate backups. It is built as a front-end to Borg, a powerful and fast deduplicating backup program. With Emborg, you specify all the details about your backups once in advance, and then use a very simple command line interface...

MultiCloudBackup securely back up your personal files offsite using free online storage such as Dropbox, Google Drive, etc.




LuckyBackup is an application that backs-up and/or synchronizes any directories with the power of rsync.





