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.
| Feature | MinIO | SeaweedFS |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 15 · At risk | 98 · Excellent |
| Status | Archived | Actively maintained |
| Category | File Sync & Storage | File Sync & Storage |
| License | AGPL-3.0 | Apache-2.0 |
| Language | Go | Go |
| Setup difficulty | Medium | Hard |
| Min. RAM | 256 MB | 512 MB |
| Deployment | docker, kubernetes, binary | docker, kubernetes, binary |
| GitHub stars | ★ 61,355 | ★ 34,927 |
| First released | 2015 | 2015 |
| Replaces | Amazon S3 | Amazon 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
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
Choose SeaweedFS if…
- Scales to billions of files
- S3-compatible API
- Fast small-file storage
Watch out for
- Complex cluster architecture
- Ops expertise required
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.