"The growth of the cloud backup industry, over the last decade has been dramatic. The market has witnessed the rise and fall of many start-ups and stabilization of others. Interestingly, the companies that have gained a strong foothold in the industry are not all similar. There is a subtle distinction in the nature and types of services they offer. Some of these companies are pure enablers, while others combine enablement functions with direct-to-market services. Yet others, may license the software from enablers with or without re-branding options and service the cloud backup service needs of their clients..."
"Recently, we published a poll that asked readers to vote on their favorite open source backup solution. We offered six solutions recommended by our moderator community - Cronopete, Deja Dup, Rclone, Rdiff-backup, Restic, and Rsync - and invited readers to share other options in the comments. And you came through, offering 13 other solutions (so far) that we either hadn't considered or hadn't even heard of.
By far the most popular suggestion was BorgBackup. It is a deduplicating backup solution that features compression and encryption. It is supported on Linux, MacOS, and BSD and has a BSD License..."