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
PDF Previewer for Windows 8 - Features of PDF Previewer for Windows 8, Windows 8.1 - Preview PDF document with PDF preview handler technique
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.
APV - Open Source PDF Viewer for Android based on MuPDF library
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
POKATreader - With POKATreader you can read your PDF files in full-screen mode, but one of the best features is...