Filestash - Filestash is a modern client for FTP, SFTP, S3, WebDAV, Minio,...
SparkleShare - SparkleShare is very different from the traditional file storage and sharing services.
FTPbox - FTPbox is an open-source application that allows you to synchronize your files to your own host...
ownCloud - ownCloud is an open source project enabling businesses to host their own cloud storage while maintaining regulatory and compliance needs.
Resilio Sync - Resilient, fast and scalable file synchronization for enterprises and individuals
Dropbox - Online Sync and File Sharing