Rust: https://crates.io/crates/abi_stable
C / C++:
- https://crates.io/crates/cbindgen,
- https://doc.rust-lang.org/nomicon/ffi.html,
- https://rust-lang.github.io/rust-bindgen/introduction.html
C#: https://crates.io/crates/csbindgen
Lua/Luau: https://crates.io/crates/mlua
Python: https://crates.io/crates/pyo3