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Syncthing

✓ Verified FOSSMPL-2.0
Top open-source alternative to Resilio Sync / Box Sync

Open Source Continuous File Synchronization

Tech StackGo
Self-Host DifficultyEasy
License ModelMPL-2.0
GitHub Repositorysyncthing/syncthing

Recommended VPS & Hardware Sizing

Estimated Hosting: $4 - $6/mo (e.g. Hetzner CX22 or DigitalOcean)
Min RAM:1 GB
Rec RAM:2 GB
Compute:1 vCPU
Disk Space:10 GB SSD

Syncthing vs Resilio Sync / Box Sync Comparison Matrix

Evaluation CriteriaSyncthing (Open Source)Resilio Sync / Box Sync (Proprietary)
Central Storage RiskFiles never leave your private devicesFiles stored on vendor cloud
INTERACTIVE TCO MODELEstimated Rate: $20/user/mo

Financial Impact: Migrating from Resilio Sync / Box Sync to Self-Hosted Syncthing

Detailed Stack Calculator →
5 Users (Early Startup)50 Users (Scaleup)200 Users (Enterprise Org)
Resilio Sync / Box Sync (Cloud SaaS)Per-Seat Tax
$6,000per year ($500/mo)
3-Year Spend:$18,000

* Excludes enterprise SSO add-ons & usage overages

Syncthing (Self-Hosted)Zero Per-Seat Fee
$120per year ($10/mo Linux VPS)
3-Year Compute:$360

* Commodity Hetzner / DigitalOcean compute instance

Cumulative 3-Year ROI+$17,640Net savings across 36 months (98% reduction)
Annual Free Cash:+$5,880/yr
Need C-Level Buy-In? Generate an instant ROI proposal memo to present to your CTO or CFO.

Core Capabilities & Features

✓Direct P2P synchronization over LAN and Internet
✓End-to-End TLS encryption between authenticated node IDs

Self-Host Syncthing with Docker Compose

Tweak configuration ports, secrets, and volumes live. Download or copy your ready-to-run container file:

1-Click Docker Compose Generator

Generate production-ready container definitions with customizable ports and volumes.

SyncthingMPL-2.0

Continuous decentralized peer-to-peer file synchronization program

Difficulty: Easy89,336 ⭐
Configure Parameters
docker-compose.syncthing.yml
version: "3"

services:
  syncthing:
    image: syncthing/syncthing:latest
    container_name: syncthing
    volumes:
      - ./config:/var/syncthing/config
      - ./sync:/var/syncthing/sync
    ports:
      - "${GUI_PORT:-8384}:8384"
    restart: unless-stopped

Frequently Asked Questions: Self-Hosting Syncthing

How do I self-host Syncthing using Docker Compose?

You can deploy Syncthing (syncthing/syncthing) on any Linux server by copying the docker-compose.yml template on this page, configuring your desired host port and persistent volume directory, and running 'docker compose up -d'.

How does Syncthing compare to Resilio Sync / Box Sync?

Syncthing is an open-source, self-hosted alternative to Resilio Sync / Box Sync built with Go. Unlike Resilio Sync / Box Sync ($15 - $25 / user / month), Syncthing has zero per-user licensing fees and keeps 100% of your data on your own infrastructure.

What are the minimum VPS RAM and CPU requirements for Syncthing?

For production self-hosting (Easy difficulty tier), we recommend at least 2 GB RAM (minimum 1 GB), 1 vCPU, and 10 GB SSD storage, which typically costs $4 - $6/mo (e.g. Hetzner CX22 or DigitalOcean).

Is Syncthing free for commercial business use under the MPL-2.0 license?

Yes. Distributed under the MPL-2.0 license, Syncthing can be self-hosted internally by businesses and engineering teams of any size without per-seat royalties.

README INTEGRATION // REPO EMBED

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SIMILAR REPOSITORIES // PEER COMPARISON

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