Per T208494.
There isn't a lot of Braille music on the internet. However, a few years ago MuseScore's Kickstarter project converted Bach's Goldberg Variations into Braille. The notation is standardized, and there are links in the archived RfC discussion to various Braille music notation software (MusicXML conversion is possible).
Rendering would probably be somewhat useless, since computer screens can't simulate Braille.