Syncthing

Open source · OSI-approvedStatus: unknown

Continuous file sync between your own devices only

Syncthing synchronises folders directly between devices with no server in the middle. There is no account, no storage quota, and no third party holding the data, because the data never leaves the set of machines you nominate.

It is the right tool when the requirement is that files stay on your hardware, and the wrong tool when you want a web interface to browse them from anywhere.

Decisive facts

Peer to peer sync with no central server
TLS encrypted transfers between authenticated devices
File versioning with several retention strategies
Selective sync and per-folder ignore patterns
Runs on desktop, server, and Android

File Sync & Storage go self-hosted p2p file-sync privacy

Alternatives to Syncthing

Dropbox

File sync and sharing across devices and teams

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