Suggester - Suggester is a tool to assist in the creation of songs and chord progressions.
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
Chordjam - Creative music composition tool for desktop and iPad.
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.
ChordBud - "ChordBud is an all in one app that combines most important concepts when sketching a song.
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request