Sync-in

Self-Hosted

Open-source peer-to-peer file synchronization & transfer tool

Overview

Sync-in is a self-hosted, peer-to-peer file sync & transfer tool enabling secure, decentralized data sharing. It supports real-time folder updates, end-to-end encryption, and granular permissions for shared content. Deployable via Docker (one-click setup) or manual installation on Linux, macOS, and Windows—no cloud servers involved, so data stays between your devices. Features include a user-friendly web UI for managing sync jobs, device pairing via QR codes, and cross-platform compatibility. Ideal for teams or individuals seeking a private, cost-free alternative to proprietary sync tools, ensuring full control over sensitive files while facilitating seamless cross-device collaboration.

Self-Hosting Resources

Find Official Image on Docker Hub View Source & Docs

Below is a reference structure for docker-compose.yml. ⚠️ Do NOT run blindly. Replace placeholders with official values.

docker-compose.template.yml TEMPLATE


version: '3'
services:
  sync_in:
    image: <OFFICIAL_IMAGE_NAME>:latest
    container_name: sync-in
    ports:
      - "8080:<APP_INTERNAL_PORT>"
    volumes:
      - ./data:/app/data
    restart: unless-stopped

Key Features

Decentralized peer-to-peer (P2P) sync
End-to-end encryption for secure transfers
Cross-platform support (Linux, macOS, Windows)
Docker & manual deployment options

Frequently Asked Questions

? Is Sync-in hard to install?

Sync-in is easy to install via Docker (using a single compose command) for most users. Non-Docker setups require basic command-line skills to configure dependencies, but official documentation provides step-by-step guides for Linux, macOS, and Windows.

? Is it a good alternative to Resilio Sync?

Yes—Sync-in offers similar decentralized P2P sync capabilities without proprietary licensing costs. It includes end-to-end encryption and granular permissions, making it a privacy-focused alternative for users wanting full control over their data.

? Is it completely free?

Sync-in is 100% free and open-source under the MIT License. All features are available without paid tiers, hidden fees, or restrictions for self-hosters.

Top Alternatives

Resilio Sync Search Google

Dropbox Compare

Google Drive Compare

Tool Info

Pricing Free/Open Source

Category File Transfer & Synchronization

Platform Self-Hosted

Pros

⊕ Privacy-focused (no cloud dependency)
⊕ Free & open-source (MIT License)
⊕ Easy Docker setup with compose file
⊕ Granular sharing permissions for folders

Cons

⊖ Requires technical knowledge for non-Docker installations
⊖ Mobile apps are in beta phase
⊖ Limited integration with third-party cloud services