Ocaml9p is a project mainly written in OCaml, it's free.
9p implementation in OCaml
OCaml-9P Copyright 2007 Oscar Hellström, oscar at hellstrom dot st
What is OCaml-9P
Installation
What is OCaml-9P OCaml-9P is an OCaml implementation of the 9P file system protocol, and is intended to be used as a library. Currently, only the client part of the protocol is (partly) implemented. It can be used to implement a 9P client. The implementation is inspired by libixp (http://www.suckless.org/wiki/libs/libixp) and Ruby-IXP (http://home.gna.org/rubyixp/). It was primarily created to be used with Window Manager Improved (http://www.suckless.org/wiki/wmii).
OCaml-9P used to be named OCaml-IXP.