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Open source alternatives to AWS S3

We track 3 open-source AWS S3 alternatives, of which 2 currently score 70 or above on Repoly's GitHub health scale and 2 ship a Docker image. Zenko CloudServer leads on health at 93/100 with 75 commits in the last 90 days; across all 3 projects you are choosing between AGPL-3.0, Apache-2.0.

3
Alternatives
37k
Combined stars
851
Commits / 90 days
2
With Docker
Licence family Licence

Showing 3 of 3 tools

All 3 AWS S3 alternatives, ranked by health

  • Top pick · highest health

    Zenko CloudServer

    93 GOOD

    Implementation of the Amazon S3 protocol on the front-end and backend storage capabilities to multiple clouds, including Azure and Google.

    ★ 1.9k · ⟳ today · 9.0.32-3 · Apache-2.0

    DockerNodejs
    Website ↗ Source ↗

  • SeaweedFS

    88 GOOD

    SeaweedFS is an open source distributed file system supporting WebDAV, S3 API, FUSE mount, HDFS, etc, optimized for lots of small files, and easy to add capacity.

    ★ 35k · ⟳ today · 4.47 · Apache-2.0

    Go
    Website ↗ Source ↗

AWS S3 alternatives: common questions

What is the most maintained open source alternative to AWS S3?

Zenko CloudServer scores highest at 93/100, with 75 commits in the last 90 days, 1.9k GitHub stars and its latest release (9.0.32-3) published 11 days ago. SeaweedFS has the most raw commit activity at 776 commits in 90 days.

Which AWS S3 alternatives use a permissive licence?

2 of 3 are permissively licensed (MIT, Apache, BSD or similar): Zenko CloudServer (Apache-2.0), SeaweedFS (Apache-2.0). 1 use copyleft licences such as GPL or AGPL, which require you to publish changes if you distribute a modified version.

Which AWS S3 alternatives run in Docker?

2 of 3 publish a Docker image or Compose file: Zenko CloudServer, GarageHQ. Docker support contributes 10 of the 100 available health points, because it is the clearest signal that self-hosting is a supported path rather than an afterthought.