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SeaweedFSZenko CloudServer
Free

Free to self-host; source code is published on GitHub.

 Free

Free and open source under the Apache licence.

Linux, Self-hosted, Command line Linux, Self-hosted
  • S3-compatible API for existing tools
  • Scales horizontally across many servers
  • S3-compatible API for local development and testing
  • Can front multiple storage backends
  • Infrastructure software that needs server administration skills
  • More than most single users need for simple file sync
  • Aimed at developers rather than end users
  • Building from source has several dependency steps
Downloadable app, Self-hosted Self-hosted
Open source Open source
License not stated License: Apache-2.0
No account needed Not stated if an account is needed
Not stated if it works offline Works offline

Checked September 24, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.