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
Pricing Page Teardown from ProfitWell - Data and banter behind the best (and worst) pricing pages
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.
SaaS Pricing Calculator - Figure out the right pricing for your SaaS product
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Financial Model - Financial Model for Planning, Launching, or Running Startups