ginstr - ginstr is a business software that lets user create custom form-based apps for customers or employees to download, fill out, sign and return from any web device.

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.

Forms Manager - Forms Manager is an online form of automation software that helps businesses build forms, manage workflows, and analyze real-time reports.

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

Launchcloud - Data collection & automation made simple.

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