Mega - Secure File Storage and collaboration
Filestash - Filestash is a modern client for FTP, SFTP, S3, WebDAV, Minio,...
Google Drive - Access and sync your files anywhere
FTPbox - FTPbox is an open-source application that allows you to synchronize your files to your own host...
Zaclys ownCloud provider - Zaclys provide an easy to use ownCloud solution with 1Go free. And also dedicated servers !
ownCloud - ownCloud is an open source project enabling businesses to host their own cloud storage while maintaining regulatory and compliance needs.