KDAN Mobile PDF Reader - PDF Reader is the one app you can rely on when you need a portable solution to work with PDFs.
PDFify - PDF creation with text recognition and scanner support. Features email and webpage import to PDF.
Anvil PDF Filling API - The easiest way to programmatically populate any PDF
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Docer.to - Bring any document to life!
PlutoPDF - A URL to PDF converter wrapped behind a simple API.