This is a set of web-pages which shows possibilities to show music (for guitar and banjo).
See https://music4classicalguitar.github.io
Additional:
swf2js.js is a JavaScript FlashPlayer emulator that analyzes SWF files of Adobe Animate (Flash) in real time and converts them to HTML.
musescore2html is an application used to generate html-files from MuseScore scores, which you can use on your own website.