SHSelfHostIndex

Duplicacy 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?
DU Duplicacy Lock-free deduplication cloud backup tool VS BA Backblaze alt Kopia-UI Standalone Cross-platform backup tool with deduplication and encryption
FeatureDuplicacyBackblaze alt Kopia-UI Standalone
Deploy effortUnder-an-hour setupRead-the-docs project
CategoryBackup & RecoveryBackup & Recovery
LicenseProprietaryGPL-3.0
LanguageGoRust
Setup difficultyMediumEasy
Min. RAM256 MB256 MB
Deploymentbinary, dockerbinary
GitHub stars★ 5,683★ 500
First released20162020
ReplacesBackblaze, CarboniteTime Machine, Backblaze

What are Duplicacy and Backblaze alt Kopia-UI Standalone?

Duplicacy

Duplicacy is a cross-platform cloud backup tool using a novel lock-free deduplication algorithm for efficient encrypted backups. It targets users backing up to cloud storage. It is deployed as a binary with an optional web UI.

  • Lock-free deduplication
  • Many cloud backends
  • Cross-computer deduplication
  • Optional web GUI

Read the full Duplicacy guide →

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

Duplicacy vs Backblaze alt Kopia-UI Standalone: key differences

Duplicacy is written in Go, while Backblaze alt Kopia-UI Standalone is built with Rust. Licensing differs — Proprietary for Duplicacy versus GPL-3.0 for Backblaze alt Kopia-UI Standalone. Duplicacy is the more established project (first released 2016), while Backblaze alt Kopia-UI Standalone arrived in 2020. Duplicacy has the considerably larger community, at 5,683 GitHub stars versus 500. Duplicacy lists first-class Docker deployment; Backblaze alt Kopia-UI Standalone does not.

Why pick each one

Choose Duplicacy if…

  • Efficient deduplication
  • Good cloud support
  • Reliable

Watch out for

  • Web edition is paid
  • CLI is free but licensed
Duplicacy 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 Duplicacy or Backblaze alt Kopia-UI Standalone better?

Neither is universally better. Duplicacy has the larger community, while Backblaze alt Kopia-UI Standalone is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

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

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

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

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

Related comparisons