Open Source File Sync Tools

On-premises file sync, universal access, integrated collaboration, real-time communication with privacy and data control focus.

Open-source, decentralized alternative ensuring data ownership with encrypted communication and peer-to-peer sync, void of central server reliance.

FreeFileSync is a folder comparison and synchronization software that creates and manages backup copies of all your important files. Instead of copying every file every time, FreeFileSync determines the differences between a source and a target folder and transfers only the...

A versatile client for SFTP, FTP, and other protocols for file transfer. It offers GUI choice, and supports automation and key authentication.

Emphasizes privacy with end-to-end encryption, Proton Drive safely stores, synchronizes, and shares files across devices via web and mobile applications.

Filen is a cutting-edge cloud storage provider that offers client-side, end-to-end, zero-knowledge encryption. Headquartered and operated entirely in Germany, Filen is at the forefront of combining comprehensive features with uncompromising privacy and security.

Organize files across many devices in one place. From cloud services to offline hard drives, Spacedrive combines the storage capacity and processing power of your devices into one personal distributed cloud, that is both secure and intuitive to use.

Rclone ("rsync for cloud storage") is a command-line program to sync files and directories to and from different cloud storage providers.

Self-hosted platform for secure file sync, sharing, calendar, and contact management with desktop, mobile, web access, and multi-device syncing.

rsync is a software application for Unix which synchronizes files and directories from one location to another while minimizing data transfer using delta encoding when appropriate. An important feature of rsync not found in most similar programs/protocols is that the mirroring...

Koofr is a safe, secure and simple way to store, backup and share your documents, photos, videos and more. It offers up to 10 GB of free safe storage for your files with affordable upgrades and options to connect multiple cloud accounts.

IPFS is a global, versioned, peer-to-peer filesystem. It combines ideas from Git, BitTorrent, Kademlia, SFS, and the web. It is like a single bittorrent swarm, exchanging git objects. IPFS provides an interface as simple as the HTTP web, but with permanence built in.

Seafile is an open-source file management and collaboration platform that goes beyond sync and share, offering extensible metadata, multi-level tagging, flexible file views, and AI-powered organization for smarter teamwork.

Enhanced file sync tool offering individual sync conditions, Android-focused UI, battery fixes, two-way external SD support, and secure encrypted folders.

Choose simplicity, get Cozy. We all have a life and a digital life. Cozy gathers them. In your Cozy, you have all your personal data: pictures, health, bank, holidays, accessible only by you. Welcome to your new digital home.

kDrive is a Swiss online storage service that respects its users' privacy and makes storing, sharing & collaborating on files a breeze.

A lightweight, Rust-powered alternative to Nextcloud.

SyncTrayzor is a wrapper for Syncthing which allows Syncthing's window to be hidden in the tray area. SyncTrayzor has a built-in web browser to manage Syncthing without opening your browser. SyncTrayzor can be configured to automatically start at PC startup.

Unison is a file-synchronization tool for POSIX-compliant systems (e.g. *BSD and GNU/Linux), macOS and Windows, with the caveat that the platform must be supported by OCaml. It allows two replicas of a collection of files and directories to be stored on different hosts (or diffe.

SparkleShare is a Free Open Source syncing tool. Its light, secure and easy to use. SparkleShare allows you to setup your own servers so you always keep control on your data.

A Dropbox-like file manager that let you manage your data anywhere it is located: FTP, SFTP, WebDAV, Git, S3, Minio, Dropbox, Google Drive.

Puter is a privacy-first personal cloud that houses all your files, apps, and games in one private and secure place, accessible from anywhere at any time.

Sync-in is a secure, open-source platform for file storage, synchronization, and team collaboration — designed to give organizations full control over their data and workflows, while remaining flexible enough for individual needs.

Round Sync helps you to manage your files, everywhere you go, on your local device or on most cloud providers.

Store, sync, and share files across devices anywhere.