Toby - Better Than Bookmarks

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.

Hyperping - Cheap uptime and performance monitoring with detailed reporting and flexible alerting

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

Snooze Tabby - A simple way to snooze your tabs for later

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