Copyright © 2017 Acrosync LLC * Free for personal use or commercial trial * Non-trial commercial use requires per-user CLI licenses available from [duplicacy.com](https://duplicacy.com/buy) at a cost of $20 per year * A user is defined as the computer account that creates or edits the files to be backed up; if a backup contains files created or edited by multiple users for commercial purposes, one CLI license is required for each user * The computer with a valid commercial license for the GUI version may run the CLI version without a CLI license * CLI licenses are not required to restore or manage backups; only the backup command requires valid CLI licenses * Modification and redistribution are permitted, but commercial use of derivative works is subject to the same requirements of this license