Hi. This is a very helpful list. It's very appreciated. If it's ok, I'd like to add these suggestions:
SANS:
Atkinson Hyperlegible (4 styles): https://brailleinstitute.org/freefont
Ysabeau: a very large set of a "sans-ified" Garamond-style typeface, in continuous development; from Catharsis Fonts on github: https://github.com/CatharsisFonts/Ysabeau
Andika (4 styles): https://software.sil.org/andika/
SERIF:
Anglecia: for body text and for display, with italics, but unfortunately no bolds. The display fonts (regular, italic) can be found in https://www.fontsquirrel.com/fonts/anglecia-pro-display and two text styles here: https://www.fontspring.com/search?q=anglecia
BaskervaldX: https://ctan.org/pkg/baskervaldx?lang=en
XCharter: https://ctan.org/pkg/xcharter?lang=en
Borgia Pro: a high quality old-style serif in 4 styles, I use it as a substitute for Bembo; from here: https://www.fontsquirrel.com/fonts/borgia-pro
Charis SIL: https://software.sil.org/charis/
Bona Nova: a peculiar and interesting old-style serif; from https://www.fontsquirrel.com/fonts/bona-nova