LightMV - LightMV is the best free online service for you to make a video using photos and music.

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.

Photostage - Quickly and easily combine photos and videos with a narration or soundtrack using PhotoStage slideshow software. Free slideshow maker download for Mac & PC.

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

Photopia - Photopia is the official successor to ProShow. Find out how you can easily transition to the next generation of slideshow software.

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