The Gregorio project – GPL tools for typesetting Gregorian chant

mcookly 59 points 9 comments April 17, 2026
gregorio-project.github.io · View on Hacker News

Discussion Highlights (5 comments)

CrazyStat

I'm surprised this targets TeX rather than lilypond, which AFAIK is the gold standard for free (as in beer and speech) music engraving. I checked, and lilypond also offers features for Gregorian chant notation [1]. Has anyone used both and is able to compare? [1] https://lilypond.org/doc/v2.25/Documentation/notation/typese...

cbfrench

I may be one of the few HN users for whom this is an extremely useful resource. I’m an Anglican priest, so I’m often scanning and pasting bits and pieces of chant into our bulletins. This will, I hope, allow me to create much cleaner looking chant texts in the future! Thank you for sharing it!

insensible

I’m interested in what may exist for Byzantine notation.

jdsnape

I am probably one of the few people here that used this ‘in anger’. Around 15 years ago I would typeset orders of service in tex for our college chapel, and enjoyed typesetting the chant - this tool made it really easy and I could produce IMO beautiful documents. Most of the time people used bitmaps which would be blurred/pixelated or not resize well

mcookly

If anyone is interested in playing around with this wonderful tool, there's an online editor (edit: no affiliation). [1] It is much more responsive than compiling in TeX. [1]: https://www.sourceandsummit.com/editor/alpha/

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