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Zenko CloudServerSeaweedFS
Free

Free and open source under the Apache licence.

 Free

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

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

Checked October 2, 2026

Checked September 24, 2026

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