Investis - Investis helps companies to use digital channels to increase revenue, enhance employee engagement and influence corporate audiences.
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Voxer - Turn your phone into a Walkie Talkie. Don't waste time on phone calls and voicemails.
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
Sameroom - Chat interoperability-as-a-service
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.