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Duplicati vs Duplicacy: catalog facts
Duplicati	Duplicacy
Free The backup client is free and open source. The vendor sells a separate commercial…	Freemium The command-line version is free for personal use and its source is published. The…
Windows, macOS, Linux	Windows, macOS, Linux
A very long list of supported destinations, including most mainstream cloud storage AES-256 or GnuPG encryption applied before anything is uploaded	Several machines can back up to one bucket and share deduplicated data with no server between them Chunks are stored individually, so any storage with basic file operations works as a backend
The stable and canary channels move at very different speeds, and the project spent years in beta Restores of very large backup sets can be slow, because the format is built around remote storage rather…	Licence is not open source; commercial use and the web interface are paid The free part is a command-line tool, so the friendly front end is the paid one
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.