SpiderOak

Commercial

SpiderOak is a cloud-based backup and restore solution to protect against data loss.

Resilio Sync

Freemium

Resilient, fast and scalable file sync software for enterprises and individuals.

SyncToy

Free

SyncToy is a freeware tool in Microsofts PowerToys series that provides an easy-to-use graphical user interface for synchronizing files and folders in Windows…

SparkleShare

Open Source

SparkleShare is open-source client software that provides cloud storage and file synchronization services.

Syncany

Open Source

Syncany is a cloud storage and filesharing application with a focus on security and abstraction of storage.

GNUnet

Open Source

GNUnet is a free software framework for decentralized, peer-to-peer networking and an official GNU package.

Ind.ie Pulse

Open Source

Pulse is a free (as in freedom), secure, and distributed file synchronisation engine.

Sandstorm.io

Open Source

Sandstorm is a self-hostable web productivity suite.

Freehold

Open Source

An open, secure, and lightweight platform for your files and data.

Zaclys ownCloud provider

Freemium

Zaclys ownCloud provider is a hosted ownCloud provider.

ZeroMe

Open Source

ZeroMe is a social networking platform.

SugarSync

Commercial

SugarSync is a cloud service that enables active synchronization of files across computers and other devices.

I2P

Open Source

The Invisible Internet Project (I2P) is a garlic routing using overlay network and darknet that allows applications to send messages to each other pseudonymou…

Freenet

Open Source

Freenet is a peer-to-peer platform for censorship-resistant communication. It uses a decentralized distributed data store to keep and deliver information, and…

Pydio

Free Personal

Pydio, formerly known as AjaXplorer, is an open-source file-sharing and synchronisation software that runs on the user's own server.

Unison

Open Source

Unison is a file-synchronization tool for OSX, Unix, and Windows. It allows two replicas of a collection of files and directories to be stored on different ho…

ZeroNet

Open Source

ZeroNet is a decentralized Internet-like network of peer-to-peer users.

SyncTrayzor

Open Source

SyncTrayzor is the tray utility, looks like a normal Windows program, and has menus and suchlike, and a big area where Syncthing's web interface is displayed.