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
Pocket Listen - Reading is hard. Listen to articles instead.
Blogcast - Turn your articles into audio
Firefox Advance - Experimental recommendation engine built into Firefox
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Actually Read It Later - Save articles for reading later