SeaweedFS vs Unison

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

Not the right match-up?
FeatureSeaweedFSUnison
CategoryFile Sync & StorageFile Sync & Storage
LicenseApache-2.0GPL-3.0
LanguageGoOCaml
Setup difficultyHardMedium
Min. RAM512 MB64 MB
Deploymentdocker, kubernetes, binarybare-metal, binary
GitHub stars★ 33,952★ 5,429
First released20151999
ReplacesAmazon S3Dropbox

Why pick each one

Choose SeaweedFS if…

  • Released under the Apache-2.0 license
  • First-class Docker support for quick deployment
  • Kubernetes-ready with Helm charts available
  • Mature project with 34k GitHub stars
SeaweedFS details

Choose Unison if…

  • Very reliable
  • Fine-grained control
Unison details

Frequently asked questions

Is SeaweedFS or Unison better?

Neither is universally better. SeaweedFS has the larger community, while Unison is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.

Are SeaweedFS and Unison free and open-source?

Yes. SeaweedFS is licensed under Apache-2.0 and Unison under GPL-3.0. Both can be self-hosted at no software cost.

Can I run SeaweedFS and Unison with Docker?

SeaweedFS: yes. Unison: check the project docs for container support.

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