Dashboard
Folder and device overview, showing a synced folder and this device's connection status.
Syncthing
Continuous peer-to-peer file sync directly between your own devices.
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Add Folder
Configuring a new folder to synchronize, with sharing and versioning options.
Add Remote Device
Pairing a new remote device by its Syncthing device ID to start syncing.
Settings
Global configuration for the GUI, connections, and discovery.
About this app
Syncthing synchronises files directly between your own devices, without routing them through a central server. Every connection is encrypted, folders can be shared across as many devices as you like, and file versioning keeps old copies recoverable. Device discovery and relay servers handle the awkward parts of peer-to-peer networking, so devices find each other and stay connected behind NAT or firewalls without manual configuration. A recurring theme in why people move to Syncthing is that it takes the centralised service out of the picture entirely: no account to register, no storage quota set by a provider, and no folder structure imposed on you. Point it at any folder on disk and it syncs. That comes up again and again in independent accounts. Some are leaving mainstream cloud-storage services over storage caps. Others are syncing configuration files and notes between their own machines without wanting a vendor's server in the loop at all. Every feature, including versioning and NAT traversal, is available self-hosted at no cost, with nothing gated behind a paid tier.
- Authentication:API KeysPassword Auth
- Access Control:
- Data:
- Integrations:REST API
- UI:Dark ModeMac
- Infrastructure:
- File Sync:File Versioning & History
- Storage & Sync:Device DiscoveryFolder SyncP2P SyncRelay Servers
GitHub
syncthing/syncthing88.3k stars
5.4k forks
Commit activity
commits / monthLifetime53
Past year22
Past month15
As of last sync (about 21 hours ago)
Funding
LicenseMPL-2.0Organisation typeFoundationCountry of origin🇸🇪 SwedenHeadquarters🇸🇪 SwedenIncorporated in🇸🇪 Sweden
Technology stack
- Go
- Shell
- CSS
- JavaScript
- HTML
- Batchfile
- Dockerfile
- Ruby
- PowerShell
License
MPL-2.0
Mozilla Public License 2.0
Permissions of this weak copyleft license are conditioned on making available source code of licensed files and modifications of those files under the same license (or in certain cases, one of the GNU licenses). Copyright and license notices must be preserved. Contributors provide an express grant of patent rights. However, a larger work using the licensed work may be distributed under different terms and without source code for files added in the larger work.
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