It's also possible to use the fonts in Sibelius through the "Maestro" style.The Elbsound Music Font Package is a free package with 21 music fonts for Finale. The fonts are 100% compatible with Finale's Maestro font and are available for free under the SIL OFL or GNU GPL license.
To use the fonts simply select "Document->Set Default Music File" in Finale and ... done.
The original fonts used are:
Bravura, Beethoven, Cadence, Emmentaler, Euterpe, FreeSerif, Gootville, Gutenberg, LV-GoldenAge, Haydn, Improviso, JazzyBasic, LilyBoulez, Leipzig, LilyJazz, Profondo, Paganini, Ross, Scorlatti, Sebastiano, Unifont Upper.
The package is at https://elbsound.studio/elbsoundmusicfontpackage.php
Thank you, Jan!
(Jan's the same genius who did the 150-font comparison tool.)