SeaweedFS
A distributed storage system with S3-compatible object storage and horizontal scaling
- Also known as
- seaweedfs
Available worldwide
What is SeaweedFS?
SeaweedFS is a distributed storage system that provides object storage with S3 API compatibility, POSIX file system support, and lakehouse capabilities. It enables constant-time read and write operations, cloud storage tiering, and transparent scaling by adding additional volume servers.
SeaweedFS pricing
We don't have SeaweedFS's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.
Free and open source (Apache license)
What SeaweedFS does
The capabilities that matter for file storage, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- S3 API compatible
- ✓
- Storage tiering
- ✓
- Multi region replication
- ✓
- Erasure coding
- ✓
- Object versioning
- -
- Object lock immutability
- ✓
- Encryption at rest
- -
- Customer managed keys
- -
- Free or discounted egress
- -
- Open source
- ✓
- CDN integration
- -
Platform & deployment
Independently observed- CLI
- Linux
- On-premise
- Self-hosted
Integrations (16)
Independently observed- AWS S3⇄•
- DuckDB
- Apache Spark
- Trino
- Dremio
- RisingWave
- AWS SDK⇄
- AWS CLI⇄
- Google Cloud Storage←
- Azure←
- Backblaze B2←
- Wasabi←
- Storj←
- Spark⇄
- rclone⇄
- restic⇄
Security & compliance
Known vulnerabilities: 7 (6 in the last 12 months), max severity CRITICAL sourcea count reflects scale & disclosure, not quality
SeaweedFS FAQ
Common questions about SeaweedFS, answered from independent, dated evidence.
What is SeaweedFS?
SeaweedFS is an open-source distributed storage system supporting S3-compatible object access, file systems, and analytics table formats. It combines tiered storage across local clusters and cloud providers, designed to efficiently handle billions of files with consistent O(1) access performance. It is indexed under File Storage.
Source: https://github.com/pricing
Is SeaweedFS free to use?
SeaweedFS is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.
Source: https://github.com/pricing
What platforms does SeaweedFS support?
SeaweedFS supports Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.
Source: https://github.com/pricing
Can SeaweedFS be self-hosted?
Yes. SeaweedFS can be deployed cloud / SaaS, hybrid, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.
Source: https://github.com/pricing
What does SeaweedFS integrate with?
We have confirmed 5 integrations for SeaweedFS, including DuckDB, Apache Spark, Trino, Dremio and RisingWave. This is what we could verify from public sources, so the vendor may support others we have not indexed.
Source: https://github.com/pricing
Is SeaweedFS open source?
Yes. SeaweedFS is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.
SeaweedFS alternatives
Other file storage we track, ranked by the same independent score.
- StorjDistributed cloud storage with local-like performance and significantly lower costs than traditional providershigh · 75%
- MinIOlow · 41%
- Amazon S3A scalable, durable cloud object storage service for storing and managing massive amounts of datamedium · 73%
- Cloudflare R2Distributed object storage without data transfer feeslow · 21%
- DigitalOcean SpacesCloud storage service that works like Amazon S3, with scalable capacity and configurable performance tierslow · 21%
- JuiceFSCloud-native file system that abstracts object storage as a shared POSIX file systemlow · 6%
Compare SeaweedFS
Side by side against other file storage, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for SeaweedFS, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Development activity | 63 | 0.09 | 5.9 | ✓ |
| Capabilities | 81 | 0.06 | 5.1 | ✓ |
| Release cadence | 97 | 0.05 | 5.1 | ✓ |
| Stars | 86 | 0.03 | 2.2 | ✓ |
| Integrations | 24 | 0.07 | 1.8 | ✓ |
| Dependent projects | 5 | 0.06 | 0.3 | ✓ |
| Security posture | 5 | 0.12 | 0.0 | - |
| Package downloads | 0 | 0.14 | 0.0 | - |
| Security score | 0 | 0.04 | 0.0 | - |
| Developer Q&A activity | 0 | 0.06 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 100 | mediumsource · 2026-10-14 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 6 items | mediumsource · 2026-09-10 · 66% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Open source, Erasure coding, Storage tiering, S3 api compatible, Multi region replication, Object lock immutability | mediumsource · 2026-10-14 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 6 | mediumsource · 2026-10-14 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | Go | highsource · 2026-10-14 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | Apache-2.0 | highsource · 2026-10-14 · 95% |
Market
| Attribute | Value | Evidence |
|---|---|---|
| Availability | PrimaryMarkets: … · AvailabilityScope: global · AvailableCountries: … · NotAvailableCountries: … | highsource · 2026-08-21 · 75% |
Pricing
Release
Security
| Attribute | Value | Evidence |
|---|---|---|
| Disclosure policy | Yes | mediumsource · 2026-08-21 · 60% |
| Vulnerabilities | Count: 7 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fseaweedfs%2Fseaweedfs&per_page=100 · Last 12m: 6 · Max severity: CRITICAL | highsource · 2026-10-14 · 90% |
| Trust center | https://github.com/security | mediumsource · 2026-10-14 · 60% |
Is SeaweedFS the right choice for you?
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