AWS Storage Gateway - AWS Storage Gateway is a service connecting an on-premises software appliance with cloud-based storage.
DocRaptor - As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more
VMware vSAN - VMware vSAN is radically simple, enterprise-class software-defined storage powering VMware hyper-converged infrastructure.
PDFCrowd - Pdfcrowd is a Web/HTML to PDF online service. Convert HTML to PDF online in the browser or in your PHP, Python, Ruby, .NET, Java apps via the REST API.
Minio - Minio is an open-source minimal cloud storage server.
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request