CamlX

CamlX is a Wrapper for the OCaml (or Caml Ligth) top-level environment.
It includes Caml Light, you don't need to install an external Caml distribution.

But you can use your own version of Caml (you must specify path in preferences menu).
CamlX requirements :
- Mac OS X 10.3.5 or higher
- X11 (to use graphics library)