odoc 
odoc is a documentation generator for OCaml. It reads doc comments ,
delimited with (** ... *), and outputs HTML, LaTeX and man pages.
Using odoc with OCaml
To install odoc with opam:
$ opam install odoc
For more information, see the odoc website or build
the docs locally yourself from the odoc directory:
git clone https://github.com/ocaml/odoc.git
cd odoc
opam pin add . -n
opam install --deps-only -t odoc
dune build @docgen
and find the docs in _build/default/doc/html/index.html
Contact
odoc is most discussed on discuss.ocaml.org's Ecosystem category with the odoc tag.
Please also don't hesitate to open an issue.
Contributing
Any question asked, issue opened, feedback offered, is a
contribution to odoc, and the project and all its users are thankful :) If
you'd like to contribute code specifically, you may find the guide in
doc/contributing.mld helpful.