Sho Storage Engine is self-hosted software from ShoHost that turns a Linux server into a storage-box platform you control. It installs under /usr/local/storagebox and serves each tenant over SFTP, FTPS, WebDAV, SMB and S3, with tenant isolation, snapshots and an API for automation. Built for hosting providers and teams that want their own branded storage service. Licensed per server at $5/mo with a 7-day refund.