Docamatic is described as 'Easily generate high quality PDF documents (and images) from HTML or templates. Fast, scalable and privacy focused PDF generation API. Save directly to your own S3 bucket if desired. Send documents via email at the time of creation' and is an app in the Photos & Graphics category. There are more than 10 alternatives to Docamatic for a variety of platforms, including Online / Web-based, SaaS, Mac, Windows and Linux. The best alternative is PDFShift. It's not free, so if you're looking for a free alternative, you could try PDF my URL or Tcpdf. Other great apps like Docamatic are Document Cyborg (Paid), PDFSwitch (Free Personal), cloudlayer.io (Paid) and Pdfcrowd (Paid).
PDFSwitch is a high-quality, easy to implement HTML to PDF conversion API. Easily generate PDF invoices, tickets, reports and documents with HTML to PDF API. Lightning-fast service, rich features, code samples for Java, C#, PHP, Python, Ruby, Go, Nodejs.
HTML2PDF is a HTML to PDF converter that allows the conversion of valid HTML 4.01 in PDF format, and is distributed under LGPL. This library has been made to assist in the creation of PDF files, not to directly convert an HTML page.