Short answer:
Duplicacy and Duplicati are different programs. Duplicacy focuses on lock-free deduplicating backups and has a licensed Web GUI backup workflow; Duplicati is a separate open-source backup client for encrypted local and cloud backups.
Compare without mixing names
| Topic | Duplicacy | Duplicati |
|---|---|---|
| Developer website | duplicacy.com | duplicati.com |
| Product | Duplicacy backup engine, Web Edition and CLI | Duplicati encrypted backup application |
| Windows installer | Duplicacy Web Edition Windows installer | Duplicati Windows GUI installer |
| Backup license | Web Edition backup trial, then eligible license | Consult Duplicati's current open-source and commercial offering terms |
| Documentation | Duplicacy User Guide | Duplicati documentation |
What does “duplicatis” mean?
Duplicatis appears in the provided keyword list but is not a verified Duplicacy product name. It may reflect a variant or typo of Duplicati. If your goal is Duplicati, use its developer's documentation and download page, not a Duplicacy installer.