DocuSign - Try DocuSign's interactive signing demo now! Send yourself an electronic document to digitally sign using our e-signature service.
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.
GTasks for G Suite - Lets you to manage your Google Tasks from Docs allowing you to tackle your to-do list.
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
Kloudio - Self-Service Reporting Without Leaving Your Spreadsheet Connect any spreadsheet to any data source and let your business employees do all of their work where they are most effective.
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request