Seafile

Self-host

Self-hosted file sync server with library-based encryption and block-level deduplication, scoped tightly to files.

Category
Files · Self-host
Cost
Self-host
Country
community
Licensing
Mixed
Platforms
Web · Linux · macOS · Windows · iOS · Android

Pros and cons

+ what works
  • +Block-level deduplication and delta sync make large libraries and big files fast
  • +Client-side encrypted libraries keep file contents off the server
  • +Narrower scope than Nextcloud, no calendar, contacts, or office sprawl to maintain
  • +Mature native clients on Linux, macOS, Windows, iOS, and Android
watch out for
  • Dual-license model: server core is AGPLv3 Community Edition, with a paid Pro Edition gating features like full-text search, fine-grained folder permissions, departments, and S3 storage backends
  • Encrypted libraries protect file contents but not file or folder names
  • Seafile Ltd. is headquartered in Beijing; users sensitive to supply-chain origin should review releases accordingly
  • Smaller ecosystem and third-party app surface than Nextcloud

Privacy notes

Self-hosting keeps file contents and sharing metadata on infrastructure you control. The Community Edition server does not phone home. Seafile supports client-side encrypted libraries where the password derives the file key locally and the server never sees the plaintext or the password; folder and file names inside an encrypted library remain visible to the server, only file contents are protected. Seafile is developed by Seafile Ltd. (Beijing Haiwen), headquartered in Beijing with a Singapore arm operating the hosted SeafilePlus Cloud. The software is FOSS and runs on hardware you own, so the company's jurisdiction does not reach a self-hosted deployment, but operators who care about supply-chain provenance should weigh the upstream origin.

Tags

#foss · #agpl · #file-sync · #block-dedup · #encrypted-libraries

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