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.

PrinterShare Mobile Print - PrinterShare Mobile Print app allows users to print images, emails, attachments, contacts, web pages, and various other digital media.

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

NokoPrint - NokoPrint app offers features through which users can take photos using their mobile phone’s camera and can print them using nearby printers to share them with other users.

PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request

Mopria Print Service - Mopria Print Service is an app by Mopria Alliance that provides features that let users print the desired document through a large number of printer models available in the market.