Online Vault Backup - Online Vault Backup is a cloud storage service that allows you backup your data while having unlimited storage.
GoodSync - GoodSync provides highly reliable file backup and synchronization for both individuals and businesses.
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.
myDataSync - MyDataSync provides enterprise data backup and recovery solutions, is powered by Asigra , which is a global leader in backup technology.
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.