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Syncany

Encrypted file sync to arbitrary storage backends

File Sync & Storage Archived ★ 1.6k stars Medium setup GPL-3.0

This project is archived. Upstream development has stopped, so expect no new features or security fixes. Consider an actively maintained file sync & storage alternative.

Syncany is an open source cloud storage and file sharing application that encrypts data locally before uploading it to any storage backend, including FTP, S3, WebDAV, or Samba. It gives users a Dropbox-like experience over storage they control.

Official siteSource code

Key features

  • Client-side encryption
  • Pluggable storage backends
  • Versioned file history
  • Cross-platform clients

Pros & cons

Strengths

  • Works with any storage provider
  • Strong encryption design

Trade-offs

  • Project activity has slowed
  • Java runtime required

Is Syncany secure?

OSV.dev has no published security advisories for Syncany's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

Syncany replaces

Self-hosted Dropbox alternativesSelf-hosted SpiderOak alternatives

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SelfHostIndex: 15 · archived

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