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ProjectSendPydio Cells
Free

Free and open source under GPL v2 with no per-user fees.

 Freemium

The community edition is free and open source. Enterprise editions are paid.

Web, Self-hosted Windows, macOS, Linux, Web, Self-hosted
  • Per-client control over who can reach which files
  • Translated into more than 70 languages
  • Granular permissions, workflows and audit trails for shared documents
  • Runs as a single Go binary with sync clients for every platform
  • You need to host and maintain the server yourself
  • Built as a client portal rather than a folder sync tool
  • Enterprise features and support are paid
  • Heavier to operate than a simple file sync server
Self-hosted Self-hosted
Open source Open source
License: GPL-2.0 License: AGPL-3.0
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 24, 2026

Checked September 22, 2026

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