Syncthing
Continuous peer-to-peer file sync with no cloud.
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sovereigntySyncthing keeps folders in sync directly between your own devices, peer-to-peer and encrypted, with no server and no cloud in the middle. It is the purest self-owned option — brilliant for device-to-device sync, though it is sync only, not a sharing suite.
OPEN SOURCEMPL-2.0SELF-HOSTLOCAL-FIRST
LicenseMPL-2.0
PricingFree / open-source
Open sourceYes
Self-hostableYes
Local-first dataYes
What it does well
- +No server or cloud at all
- +Peer-to-peer and encrypted
- +Very light and reliable
Where it falls short
- −Sync only — no web sharing/links
- −Devices must be online to sync
Syncthing as an alternative to
Where Syncthing shows up in our comparisons, and how it ranked.
Syncthing head-to-head
Straight comparisons against the tools people weigh it against.