FTPbox - FTPbox is an open-source application that allows you to synchronize your files to your own host...
FTP Synchronizer - Secure and high performance FTP File Sync product
Dropbox - Online Sync and File Sharing
FreeFileSync - FreeFileSync is a free open source data backup software that helps you synchronize files and folders on Windows, Linux and macOS.
Syncany - Syncany is an open-source cloud storage and filesharing application.
Letsupload - You can upload any type of files.