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Duplicati

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Secure, encrypted backups to cloud storage and remote servers

Cloud StorageSecurityFile ManagementProductivity
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Reviews onSourceForgeG2
18 reviews tracked

The Bottom Line

Entry price

Free, no paid tier

Biggest pro

Free and open source

Biggest con

Complex setup

TL;DR - Duplicati

  • Free open-source encrypted backup software
  • Supports 20+ cloud storage providers
  • Incremental backups with scheduling
Pricing: Free forever
Best for: Individuals & startups
3.9/5 across review platforms

What is Duplicati?

Editorial review
Duplicati is free, open-source backup software that stores encrypted backups to cloud storage and remote servers. Back up to Amazon S3, Google Drive, OneDrive, Backblaze B2, SFTP, and more. Features include AES-256 encryption, deduplication, incremental backups, and scheduling. Cross-platform support for Windows, macOS, and Linux. Duplicati is completely free with no premium tiers - a powerful backup solution for home users and businesses.

Available on: Web, Windows, macOS, Linux

how we evaluateSourceduplicati.com ↗

Pros & Cons

Pros

  • Free and open source
  • Many storage backends
  • Strong encryption

Cons

  • Complex setup
  • Occasional bugs

Ratings Across the Web

3.9(18 reviews)

Duplicati holds an aggregate rating of 3.9 out of 5 from 18 reviews across SourceForge and G2, last checked September 6, 2026.

SourceForge1 reviews
2/5
G217 reviews
4.4/5

What people say

“I just can't suffer through the database fragility anymore, all it takes to leave it in an unrecoverable state is a burp in your internet”via SourceForge

Ratings aggregated from independent review platforms. Learn more

Key Features

Free backupOpen sourceEncryptionCloud supportIncremental backupCross-platform

Pricing Plans

Pricing checked Sep 12, 2026

Free

  • Open source MIT license
  • AES-256 encryption
  • Incremental backups
  • Works with 20+ cloud services
  • Windows, macOS, Linux
Calculate your costView full pricing

Is Duplicati worth the price?

100/100

Duplicati's pricing is exceptionally generous, as it is entirely free.

There are no paid tiers, making it an outstanding value compared to any commercial backup solution. It's best for individuals and small businesses seeking robust backup functionality without any cost.

Hidden Costs & Gotchas

Requires user's own cloud storage

Reviews

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3.9/5

Across 18 verified user reviews on G2, SourceForge

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Best Duplicati Alternatives

Top alternatives based on features, pricing, and user needs.

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pCloudFreemium

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Sync.comFreemium

Secure cloud storage with end-to-end encryption for privacy and collaboration.

4.3
See all cloud storage tools →

Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

Duplicati vs NextcloudHead-to-head: features, pricing, who winsDuplicati vs pCloudHead-to-head: features, pricing, who winsDuplicati vs Sync.comHead-to-head: features, pricing, who wins

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Duplicati FAQ

How does Duplicati ensure the security of backed-up data?

Duplicati secures data using AES-256 encryption, ensuring that backups stored in the cloud or on remote servers are protected. This strong encryption is applied before data leaves your system, maintaining privacy and security.

Which cloud storage providers can Duplicati back up to?

Duplicati supports a wide range of cloud storage providers, including Amazon S3, Google Drive, OneDrive, and Backblaze B2. It also allows backups to remote servers via SFTP and other protocols.

What kind of user benefits most from Duplicati?

Duplicati is ideal for home users and businesses seeking a powerful, free, and open-source backup solution. It particularly suits those who need strong encryption and flexibility in choosing their storage backend.

How is Duplicati priced?

Duplicati is completely free to use, as it is open-source software. There are no premium tiers or hidden costs, making it a cost-effective solution for data backup.

Can Duplicati perform incremental backups?

Yes, Duplicati supports incremental backups, which means it only backs up changes made since the last full backup. This feature, combined with deduplication, helps optimize storage space and backup times.

What are the trade-offs when choosing Duplicati for data backup?

While powerful, Duplicati can have a complex setup process, which might require some technical understanding. Users may also encounter occasional bugs, as is common with open-source software.

How does Duplicati compare to Sync.com for cloud backup?

Duplicati is a free, open-source solution offering strong encryption and flexibility with many storage backends, whereas Sync.com typically provides a bundled cloud storage service with its own client. Duplicati requires users to provide their own cloud storage accounts.

Source: duplicati.com

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