MinIO vs SeaweedFS

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?
FeatureMinIOSeaweedFS
Deploy effortUnder-an-hour setupUnder-an-hour setup
Health score15 · At risk98 · Excellent
StatusArchivedActively maintained
CategoryFile Sync & StorageFile Sync & Storage
LicenseAGPL-3.0Apache-2.0
LanguageGoGo
Setup difficultyMediumHard
Min. RAM256 MB512 MB
Deploymentdocker, kubernetes, binarydocker, kubernetes, binary
GitHub stars★ 61,355★ 34,927
First released20152015
ReplacesAmazon S3Amazon S3

What are MinIO and SeaweedFS?

MinIO

MinIO is a high-performance, S3-compatible object storage server for storing unstructured data such as backups, images, and logs. It targets developers and operators who need self-hosted object storage. It is deployed via Docker, Kubernetes, or binaries.

  • Fully S3-compatible API
  • High throughput and erasure coding
  • Cloud-native and Kubernetes ready
  • Web console included

SeaweedFS

SeaweedFS is a simple and highly scalable distributed file system that stores billions of files quickly. It offers an S3-compatible API and supports tiered cloud storage.

  • Stores billions of small files
  • S3-compatible API
  • Cloud tiering support

Read the full SeaweedFS guide →

MinIO vs SeaweedFS: key differences

The biggest difference is maintenance: MinIO's repository is archived and no longer developed, while SeaweedFS is actively maintained. Both projects are written in Go. Licensing differs — AGPL-3.0 for MinIO versus Apache-2.0 for SeaweedFS. MinIO is the lighter option, starting around 256 MB of RAM against 512 MB for SeaweedFS.

Why pick each one

Choose MinIO if…

  • Excellent performance
  • Drop-in S3 replacement
  • Scales horizontally

Watch out for

  • Not a consumer file sync tool
  • Recent licensing and feature changes
MinIO details

Choose SeaweedFS if…

  • Scales to billions of files
  • S3-compatible API
  • Fast small-file storage

Watch out for

  • Complex cluster architecture
  • Ops expertise required
SeaweedFS details

Frequently asked questions

Is MinIO or SeaweedFS better?

MinIO is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider MinIO if its specific feature set fits your needs better.

Are MinIO and SeaweedFS free and open-source?

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

Can I run MinIO and SeaweedFS with Docker?

MinIO: yes. SeaweedFS: yes.

Which is lighter on resources, MinIO or SeaweedFS?

MinIO has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for SeaweedFS. Real-world usage depends on library size, user count, and enabled features.

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