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Duplicity

Cloud Backup Solutions

Open Source
Free Tier
Self-hosted
OpenMSP Score
44
22
Reddit Impact Score
Github Score
100K
79Stars
12Forks
2KCommits
Feb 16, 2022Last commit
Duplicity is an open-source backup utility that creates encrypted, bandwidth-efficient backups using the rsync algorithm. It offers incremental backups, strong encryption, and support for various storage backends with a focus on security and efficiency.
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Key Features

Encrypted Incremental Backups

Uses GnuPG encryption by default with librsync for space-efficient incremental backups that only store changed file parts since the last backup.

Multiple Protocol Support

Supports 20+ protocols including SSH/SCP/SFTP, FTP, rsync, Amazon S3, Google Cloud Storage, WebDAV, Azure, OneDrive, Backblaze B2, and many more cloud services.

Cross-Platform Compatibility

Works best on Unix-like systems (Linux, BSD, macOS) but also supports Windows via Cygwin or Windows Subsystem for Linux.

Command-Line Automation

Powerful command-line interface designed for scripting and automation with support for custom backup scripts and scheduling via cron or systemd timers.

Pros and Cons

Pros

Completely Free and Open Source

No upfront costs or ongoing licensing fees, with full source code availability under GPL license

Strong Security by Default

Encrypts backups by default using GnuPG with digital signing capabilities for integrity verification

Extensive Cloud Support

Supports 20+ storage backends including all major cloud providers and protocols

Space Efficient

Uses librsync algorithm for incremental backups that only transfer changed file portions

Cons

Complex Initial Setup

Requires command-line expertise and manual configuration of GnuPG keys and backup scripts

Fragile Backup Chains

If any incremental backup is missing or corrupted, all subsequent incremental backups become unusable

Limited GUI Options

Primarily command-line tool with limited graphical interface options (Déjà Dup is available but basic)

No Commercial Support

Relies on community support through mailing lists and documentation with no official commercial support available

Feature Comparison

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Frequently Asked Questions

Getting Started

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Platform Information

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OpenMSP was founded by Michael Assraf, who has extensive experience in the MSP industry and product leadership. As the former CEO & Founder of Vicarius, Michael grew a startup from $0 to $9M ARR with 500+ customers and deep experience working with MSPs, partners, and fundraising. OpenMSP represents his commitment to empowering the MSP community through better technology decisions and cost optimization.

Open-Source Tools & Alternatives

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