Paperplane converts web pages to PDF documents. PDFs are rendered using Google Chrome, so the latest web standards can be used to author source documents. The API also allows you to convert multiple documents in parallel, and automatically uploads PDFs to cloud storage.
Krita - Krita is a professional FREE and open source painting program. It is made by artists that want to seaffordable art tools for everyone. Concept art. texture and matte painters, illustrations and comics.
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Autodesk SketchBook - SketchBook drawing and painting software provides designers, architects, and concept artists the tools to sketch ideas quickly and create beautiful illustrations.
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
Clip Studio Paint - The artist's software for drawing and painting.
HTMLEmail.io - Responsive HTML email templates for startups & developers