Download the latest release (duply_2.4.3.tgz) or view all files in the sourceforge files section.
duply is a frontend for the mighty duplicity magic. duplicity is a python based shell application that makes encrypted incremental backups to remote storages. Different backends like ftp, sftp, imap, s3 and others are supported. See duplicity manpage for a complete list of backends and features.
duply simplifies running duplicity with cron or on command line by: