Duplicacy
Cross-platform backup tool with lock-free deduplication and client-side encryption.
Alternatives
Choose MSP360 Backup if…
- you need image‑based backups of servers or virtual machines
- you must protect Microsoft 365 or SQL Server data
- you run multiple client sites and want a single management
- you require immutable object‑lock for regulatory compliance
Choose Kopia if…
- you need unlimited historic snapshots without extra cost
- you prefer a fully open‑source solution over a freemium
- you want incremental backups that minimize daily data
- you are comfortable using a CLI‑only interface for backups
Choose restic if…
- you need a completely free, open‑source solution
- you want to avoid per‑machine licensing fees
- you already use command‑line tools and don't need a GUI
- you prefer built‑in data verification after each backup
Choose Duplicati if…
- you need built‑in compression for smaller cloud bills
- you prefer a completely free, open‑source solution
- you already use FTP/SFTP/WebDAV alongside mainstream clouds
- you want detailed logs for scripting and automation
Choose CryFS if…
- you need to conceal filenames, sizes, and folder layout
- you prefer a completely free, LGPL‑v3 open‑source solution
- you already use a consumer sync client like Dropbox or
- you’re comfortable configuring FUSE/Dokany mounts via the
How to Decide
Duplicacy is a cross‑platform backup tool known for its lock‑free deduplication and client‑side encryption, primarily used by technical individuals, IT service providers, and small businesses. The alternatives split into a few clear camps: MSP360 Backup leans on a bring‑your‑own‑cloud model with immutable object‑lock tiers; Kopia is chosen for its open‑source license, built‑in API and version‑ing capabilities; restic emphasizes deep customizability across many storage backends but lacks built‑in scheduling; Duplicati is selected for its broad cloud‑service integrations and built‑in compression.
When weighing replacements for Duplicacy, focus on (1) the pricing model – freemium with per‑machine licensing versus fully free or tiered subscription plans; (2) deduplication strategy – lock‑free chunk management versus traditional deduplication or none; (3) storage‑backend flexibility – support for a wide array of cloud providers, SFTP, local disks, or only specific services; (4) encryption implementation – client‑side encryption versus configurable encryption levels; and (5) automation and interface – presence of a web GUI, command‑line only, or an exposed API for scripting.
All Alternatives
“MSP360 Backup delivers cross‑platform cloud backup with encryption and deduplication, targeting the same audience as Duplicacy.”
“Kopia offers cross‑platform, encrypted backup with deduplication and versioning, directly comparable to Duplicacy.”
“Restic provides fast, secure, deduplicating backups on all major OSes, matching Duplicacy's core purpose.”
“Duplicati is a free, cross‑platform backup tool with encryption and cloud storage, a common alternative to Duplicacy.”
“Duplicacy provides client‑side encryption for backups to cloud storage, protecting data before upload.”
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