Open Source

FreeFileSync is a free open source backup software which helps you compare and synchronize files and folders on Windows, Linux and macOS.

Duplicati

Open Source

Duplicati is a backup tool, not a file sync tool.

SyncToy

Free

SyncToy is a freeware tool in Microsofts PowerToys series that provides an easy-to-use graphical user interface for synchronizing files and folders in Windows…

FastCopy

Open Source

FastCopy is free open source (GPLv3 license) software, a portable file and directory copier that runs under Microsoft Windows.

Allway Sync

Freemium

Allway Sync is backup and file synchronization software that allows backing up and synchronizing files to the same or different drives, to different media (CD…

Toucan

Open Source

Toucan is a custom built portable app for advanced users to synchronise, backup and encrypt their data, wherever they are.

DirSync Pro

Open Source

DirSync Pro is an open source synchronization and backup utility for Windows, Linux, macOS, and all other operating systems that run Java.

PureSync

Free Personal

PureSync is a Windows program to synchronize files and folders, and to do backups automatically in the background.

Uranium Backup

Freemium

Uranium Backup is a software backup for Windows supporting VMware ESXi, Hyper-V, tape and SQL backups.

ViceVersa

Freemium

ViceVersa is a free file synchronization software utility for Windows.

CrashPlan

Freemium

CrashPlan backup software offers the best way to back up and store personal, business & enterprise data securely - offsite, onsite & online in the Cloud.

SyncBack

Freemium

SyncBack is software which allows backing up and synchronizing files to the same or different drives, to different media (CD, DVD, Flash, zip), or to a remote…

Synkron

Open Source

Synkron is a multiplatform Qt application designed for synchronizing two or more folders. It is written in C++ and uses the Qt4 libraries. Synkron is distribu…

Unison

Open Source

Unison is a file-synchronization tool for OSX, Unix, and Windows. It allows two replicas of a collection of files and directories to be stored on different ho…

Areca Backup

Open Source

Areca Backup is a personal file backup software developed in Java. It is released under the GNU General Public License (GPL) 2.

Create Synchronicity

Open Source

Create Synchronicity is a powerful and lightweight open source backup and synchronization program, available in many languages.

BackupPC

Open Source

BackupPC is a free disk-to-disk backup software suite with a web-based frontend. The cross-platform server will run on any Linux, Solaris, or UNIX-based serve…