#29 in Storage & CDNUpdated 2026-08

Syncthing

by Syncthing · Continuous file synchronisation between your own devices

34.9 — BenchRank score out of 100

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Overview

Syncthing is a continuous file synchronisation program that keeps files in sync between two or more computers in real time. Devices connect directly to each other rather than through a central server, each identified by a cryptographic certificate and ID, and traffic is secured by TLS with perfect forward secrecy. It is configured and monitored through a browser interface.

Best for: Individuals and teams syncing files between their own devices with no central server.
Pricing: No prices are shown in the captured text; the site offers downloads, asks for donations, and notes that Kastelo provides commercial support.
Runs on: Android

Strengths and trade-offs

Strengths

No central server; data stays on your own computers
TLS with perfect forward secrecy, per-device certificates
Runs on macOS, Windows, Linux, FreeBSD, Solaris and OpenBSD
Open protocol, open source on GitHub, public bug tracking

Trade-offs

Each device must be added by ID, so setup is per-device
No central copy: lose every device and you lose the data
Direct connections rely on UPnP or manual port forwarding
Commercial support comes from a third party, Kastelo

How this score is made up

Each dimension is scored out of 100 and combined into the headline score using fixed weights.

MCP support: 0 out of 100
API quality: 10 out of 100
Documentation: 80 out of 100
Agent friendliness: 41 out of 100
Customer sentiment: 81 out of 100
Changelog: 0 out of 100
Marketing site structure: 45 out of 100
Operational trust: 35 out of 100

Measured, but not part of the score

Useful to know, but not a mark for or against the product — so these do not affect the ranking.

Openness: 60 out of 100
Maintenance: 100 out of 100

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