GoodSync - GoodSync provides highly reliable file backup and synchronization for both individuals and businesses.

Online Vault Backup - Online Vault Backup is a cloud storage service that allows you backup your data while having unlimited storage.

rsync - rsync is a file transfer program for Unix systems. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync.

Rebel Backup - Rebel Backup lets you make encrypted backups of your important files to Dropbox or Google Drive.

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

WholesaleBackup - WholesaleBackup is an online data backup service provider that turns your system into a backup server, allowing you to host the backup data on your own Windows Server environment.