Syncovery!

FreeFileSync is a free Open Source software to synchronize files and synchronize folders available for Windows, Linux and Mac OS X. It is designed to be easy to use while having nice visual feedback along the way.

Duplicati is the only portable backup program, able to send backups in encrypted form to another computer or SkyDrive using one of several methods (WebDAV, FTP, SFTP/SCP/SSH, Amazon S3, Rackspace CloudFiles, USB disk, Windows network share). Time scheduler e.g. for auto-backups every 3rd Monday on 10 a.m.German, Danish, English, French, Portugese. Can also be startet from command-line. Support for snapshots via VSS and LVM: Backup of open files. Duplicati is a rewrite of Duplicity/ftplicity, written for Windows (in managed C# .NET). It also runs on Linux using the Mono framework.The lastest portable version in all 5 languages can be downloaded as a zip file from https://github.com/duplicati/duplicati/releases »

GoodSync is the high-end professional easy and reliable file backup and file synchronization software.

Rclone is a command line program to sync files and directories to and from:- Google Drive- Amazon S3- Openstack Swift / Rackspace cloud files / Memset Memstore- Dropbox- Google Cloud Storage- Amazon Cloud Drive- Microsoft One Drive- Hubic- Backblaze B2- Yandex Disk- The local filesystem

Simple fast backup for Windows. At a glance - small and very lean, very fast delta copier, excellent user interface, device tracking, shadow copying, move/rename detection, run-as-a-service mode, robust support for multi-million item backups with terabytes of data, intelligent and discrete update mechanism. Ideal for backups going to external USB drives and NAS devices.

SyncToy is a free PowerToy designed by Microsoft, that provides an easy to use graphical user interface that can automatically synchronize local or network files and folders, but not WebDAV-, "Windows Mobile" files or folders and no triangle-sync as only Allway Sync, Synkron, SyncLess or GoodSync can do. No VSS-support, not portable. SyncToy can manage multiple sets of folders at the same time; it can combine files from two folders in one case, and mimic renames and deletes in another case. Unlike other applications, SyncToy actually keeps track of renames to files and will make sure those changes get carried over to the synchronized folder. »

Create Synchronicity is a nice, lightweight backup program with a very user-friendly - yet powerful - interface, that synchronizes files and folders extremely quickly (it can even recognize paths such as "MyUSB"\MyFolder, and locate the USB drive called "MyUSB").Its open source, fully portable, and multilingual ; and it can schedule backups and has many advanced options like DST correction and regexp settings.

Allway Sync is a file and folder synchronization software for Windows.

Arq is super-easy online backupBack up your files automatically, to your own cloud account, with Arq.

Copywhiz enhances your file copy experience in Windows. It offers more flexibility when copying and backing up files by letting you choose which type of files to copy & which to ignore.

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. It also allows you to browse your backups and navigate among different version of the files contained in your archives.

Yummy FTP Pro is an FTP/S + SFTP + WebDAV/S file transfer client which focuses on speed, reliability and productivity.

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 webDAV-folder, as Allway Sync or GoodSync does. No portable app. The program offers a step-by-step wizard to configure your backup and synchronization tasks and set advanced options like file exclusions, conflicts management, compare options and more. You can choose to run the backups manually as needed or automatically on a regular schedule. The program can also synchronize your files automatically when it detects that they have been modified, or when a specific device (e.g a USB drive) is connected or a certain folder is found. 4 languages: english, german, italian, norwegian.Since version 2.6.3 you can automatically delete files older than / not modified since xx days, following a specificable pattern, e.g. "TH*.dat;TH*.tmp". »