Indeed! There are already OCaml bindings for many R and python packages in the opam repository (opam is the package manager for ocaml), as well as C and fortran

Indeed! There are already OCaml bindings for many R and python packages in the opam repository (opam is the package manager for ocaml), as well as C and fortran libraries. Similarly there are now a few packages to interact with rust. I think, right now, only a library to interact with julia is missing.