I have found S7 scheme to be a delight to use as a configuration/extension language. I find it much more intuitive then something like Lua or even embedded python. Because of its heritage, most of the s7 scheme uses I've seen online are music related, but it really shines outside of that field as well.
yes, it really is. In my music pedagogy project I use it as the domain layer via WASM sitting between JS and C/C++ audio workers. It's been great that way.
