Top Alternatives to Rclone

Cyberduck is an open source client for FTP and SFTP, WebDAV, and cloud storage.

rsync is a utility for efficiently transferring and synchronizing files across computer systems, by checking the timestamp and size of files.

Duplicati is a backup tool, not a file sync tool.

SyncBack is software which allows backing up and synchronizing files to the same or different drives, to different media (CD, DVD, Flash, zip), or to a remote server.

GoodSync is a backup and file synchronization program. It is used for synchronizing files between two directories.

FileCloud is a file sharing, backup, and remote management solution.

Koofr offers safe EU based cloud storage with 2 GB free cloud storage space for life and options to connect multiple cloud accounts.

Storage Made Easy provides a hybrid Cloud File Server Enterprise File Share and Sync Solution.

RaiDrive is a cloud file manager that supports Google Drive, Box, etc

MultCloud is a multiple cloud services management web application.

Insync is the most powerful Google drive client ever built. Windows, Mac, Linux, multiple account and external drive support, document conversion, etc.

odrive is a Universal sync client to unify, sync, share, and encrypt all your files in Amazon Cloud Drive, Dropbox, Google Drive, OneDrive, Box, S3, WebDAV, FTP, etc.

ExpanDrive is a distributed file system client for Mac OS X and Microsoft Windows that facilitates mapping of local volume to many different types of Cloud Storage.

Areca Backup is a personal file backup software developed in Java. It is released under the GNU General Public License (GPL) 2.

Otixo is an encryption and file manager for multiple clouds from one login.

Air Explorer is a software to manage all your multiple cloud drives (like Dropbox, Onedrive, Google Drive, Mega, Mediafire, Box, Hidrive, Yandex, Baidu, etc.

Syncovery will copy your files the way you need it, Back up your data and synchronize PCs, Macs, servers, notebooks and online storage space.

CloudHQ is a cloud provider of data synchronization and integration between multiple cloud services.

CloudMounter is a reliable system utility that allows mounting different cloud storages and web servers to your Mac as local disks.

WebDrive is a drive mapping utility that uses open FTP, FTPS, SFTP, and WebDAV protocols, Mapping a Network Drive to a WebDAV Directory Using WebDrive to access remote file servers, and Amazon S3, WebDrive, Google Drive, Dropbox.

ZeroPC Cloud Navigator is a cross platform data aggregator for tablets.

Arq is a backup software platform.

CloudFuze is the multiple cloud storage manager to manage multiple accounts across multiple devices like Desktop, Web, Android and IOS mobile devices.

SFTP Net Drive helps you map remote drives as local drives.

ViceVersa is a free file synchronization software utility for Windows.