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.

Quick Scan - A scanner utility that enables you to quickly scan documents and manually set the DPI level...

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

Bfery Easy Scanner - Bfery Easy Scanner is a cross-platform solution that helps you scan certificates, documents, reports, tickets, and more with great ease.

PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request

Docus - Docus is a simple yet powerful Document Scanner for Android that enables you to scan various types of documents with great ease.