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.

SnoopSnitch - Collects and analyses mobile radio data to make you aware of your mobile network security and to...

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

Android IMSI-Catcher Detector - Detect attacks of fake base stations such as IMSI-Catcher and StingRay on your GSM/UMTS network.

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

GSM Spy Finder - Detect IMSI/IMEI/TMSI catchers and interception of voice and data over GSM networks