Duplicati is described as 'backup client that securely stores encrypted, incremental, compressed backups on local storage, cloud storage services and remote file servers. The Duplicati project was inspired by Duplicity and had similar functionality until 2008' and is a well-known app in the Backup & Sync category. There are more than 100 alternatives to Duplicati for a variety of platforms, including Windows, Mac, Linux, Android and iPhone. The best alternative is rsync, which is both free and Open Source. Other great apps like Duplicati are Rclone (Free, Open Source), Spideroak One Backup (Paid), GoodSync (Freemium) and BackBlaze (Paid).
Retrospect is a multi-platform backup solution supporting hybrid backup to disk, tape, NAS & Cloud, aimed at SMEs and MSPs. Main Editions include unlimited client/endpoint licenses. Site License Edition includes unlimited server licenses.
BackUp Maker is the professional solution for creation of data-backups. The ease of use as well as the range of functions enable you to create backup tasks for saving files and folders with a lack of time.