Duplicity vs Backblaze alt Kopia-UI Standalone

A side-by-side comparison of two self-hosted backup & recovery options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up? Compare Duplicity with Compare Backblaze alt Kopia-UI Standalone with

DU Duplicity Encrypted bandwidth-efficient backup using rsync VS BA Backblaze alt Kopia-UI Standalone Cross-platform backup tool with deduplication and encryption

Feature	Duplicity	Backblaze alt Kopia-UI Standalone
Deploy effort	Read-the-docs project	Read-the-docs project
Category	Backup & Recovery	Backup & Recovery
License	GPL-2.0	GPL-3.0
Language	Python	Rust
Setup difficulty	Medium	Easy
Min. RAM	128 MB	256 MB
Deployment	binary, bare-metal	binary
GitHub stars	★ 300	★ 500
First released	2002	2020
Replaces	CrashPlan, Backblaze	Time Machine, Backblaze

What are Duplicity and Backblaze alt Kopia-UI Standalone?

Duplicity

Duplicity backs up directories by producing encrypted, signed tar-format volumes and uploading them to a remote or local file server. It uses the rsync algorithm for incremental archives.

GPG-encrypted archives
Many remote storage backends
Incremental rsync deltas

Backblaze alt Kopia-UI Standalone

Pika Backup is a simple desktop backup application for GNOME built on BorgBackup. It focuses on protecting personal data with encrypted, deduplicated, and compressed backups.

GNOME desktop backup app
Encrypted Borg archives
Simple scheduling

Duplicity vs Backblaze alt Kopia-UI Standalone: key differences

Duplicity is written in Python, while Backblaze alt Kopia-UI Standalone is built with Rust. Licensing differs — GPL-2.0 for Duplicity versus GPL-3.0 for Backblaze alt Kopia-UI Standalone. Duplicity is the lighter option, starting around 128 MB of RAM against 256 MB for Backblaze alt Kopia-UI Standalone. Duplicity is the more established project (first released 2002), while Backblaze alt Kopia-UI Standalone arrived in 2020.

Why pick each one

Choose Duplicity if…

Released under the GPL-2.0 license
Written in Python
Tiny footprint — runs in 128 MB RAM

Duplicity details

Choose Backblaze alt Kopia-UI Standalone if…

Released under the GPL-3.0 license
Easy to set up — beginner-friendly
Written in Rust
Tiny footprint — runs in 256 MB RAM

Backblaze alt Kopia-UI Standalone details

Frequently asked questions

Is Duplicity or Backblaze alt Kopia-UI Standalone better?

Backblaze alt Kopia-UI Standalone is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Duplicity if its specific feature set fits your needs better.

Are Duplicity and Backblaze alt Kopia-UI Standalone free and open-source?

Yes. Duplicity is licensed under GPL-2.0 and Backblaze alt Kopia-UI Standalone under GPL-3.0. Both can be self-hosted at no software cost.

Can I run Duplicity and Backblaze alt Kopia-UI Standalone with Docker?

Duplicity: check the project docs for container support. Backblaze alt Kopia-UI Standalone: check the project docs for container support.

Which is lighter on resources, Duplicity or Backblaze alt Kopia-UI Standalone?

Duplicity has the smaller minimum footprint at 128 MB of RAM, compared to about 256 MB for Backblaze alt Kopia-UI Standalone. Real-world usage depends on library size, user count, and enabled features.