GitHub Contributions - All your GitHub contributions in one image
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.
GitHub Metrics - Customize your profile with various plugins and metrics
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
GitWrapped - View/Share how you contributed to Github over the years
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request