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.
Barchartrace - A simple MIT opensource bar chart race generator
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
Sketch Repo - Collection of resources for anyone who uses Sketch
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Charts Factory - Create simple charts super fast and for free!