Product School - The global leader in product management training
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.
The Product Manifesto - Product Managers face the biggest challenges of our day, which is why our community needs a common set of product principles.
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
Intercom on Product Management - The ultimate resource for aspiring product managers
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request