- https://fuglede.github.io/llama.ttf/
    - https://github.com/bjia56/translate.ttf
    - https://github.com/hsfzxjy/handwriter.ttf

Harfbuzz now has WASM interpreter for a shaper. You can make pretty much arbitrary programs in fonts now.

https://www.youtube.com/watch?v=Ms1Drb9Vw9M