Lo-Dash - Lo-Dash is a drop-in replacement for Underscore.
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
Zepto.js - Zepto is a minimalist JavaScript library for modern browsers with a largely jQuery-compatible API.
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.
jQuery - The Write Less, Do More, JavaScript Library.
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request