CloudBerry Backup for Amazon S3 allows you to backup files, folders and system image on Windows, Mac or Linux to Amazon S3. CloudBerry Backup features flexible scheduling options, 256-bit AES encryption, backup consistency check and more.
This Amazon S3 backup software is available in Freeware and Pro versions.
Freeware version. Designed for personal use only. Comes with most of the features of the PRO version, such as flexible scheduler and retention policies.
Pro version. Comes with advanced features: compression and encryption. The price starts from $29.99 for a single perpetual license.