React Native - A framework for building native apps with React
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.
Modernizr - Modernizr is a JavaScript library which is designed to detect HTML5 and CSS3 features in various browsers.
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
jQuery - The Write Less, Do More, JavaScript Library.
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request