PlutoPDF - A URL to PDF converter wrapped behind a simple API.
Anvil PDF Filling API - The easiest way to programmatically populate any PDF
ConvertOnMac - ConvertOnMac is the best free online converter for every Mac user that supports more than 500 different file formats.
KDAN Mobile PDF Reader - PDF Reader is the one app you can rely on when you need a portable solution to work with PDFs.
Bitwar Online PDF Converter - One-click to Interconvert PDF to Word, Excel, PPT, PNG, TXT, HTML, etc., batch mode supported!
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request