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syncthing

File Storage & Sync

A continuous, peer‑to‑peer file synchronization program that safely syncs files across devices.

Go Latest v2.1.1 · 1d ago Security brief →

Features

  • Continuous (real‑time) file synchronization between multiple computers
  • Built‑in security to protect against data loss and unauthorized access
  • Cross‑platform support for Windows, macOS, Linux and ARM devices

Recent releases

View all 6 releases →
No immediate action
v2.1.1 New feature

GUI grouping + proxies + indexing + sessions

Review required
v2.1.0 New feature
Auth

Grouping + HTTPS proxy + Block indexing config

v2.0.16 Mixed
⚠ Upgrade required
  • The database migration on first launch can be lengthy for larger setups.
  • Deleted items are now forgotten after fifteen months unless --db-delete-retention-interval is configured.
  • Some options have been renamed or converted to subcommands; check 'syncthing --help' for details.
Breaking changes
  • Database backend switched from LevelDB to SQLite, requiring a migration on first launch.
  • Single-dash long options (e.g., -home) are no longer supported and must use double dashes (--home).
  • The --verbose and --logflags command line options have been removed.
Security fixes
  • fix(protocol): verify compressed message length before decompression
Notable features
  • Structured log entries with per-package log level control.
  • Use of multiple connections (one for index metadata and two for data exchange) by default between v2 devices.
  • New WARNING log level inserted between INFO and ERROR.
v2.0.15 Maintenance
Notable features
  • Comprehensive sandboxing
  • Programmatic database maintenance
v2.0.14 Maintenance

Fixed beacon handling on Android point-to-point interfaces, corrected stdiscosrv version output format and device ID logging, removed JSON charset declaration, and added build attestation.

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Install & Platforms

Platforms
linux macos windows arm64

Community & Support

Beta — feedback welcome: [email protected]