The homepage is at https://opam.ocaml.org https://opam.ocaml.org, and the repository of packages at https://github.com/ocaml/opam-repository https://github.com/

The homepage is at https://opam.ocaml.org https://opam.ocaml.org, and the repository of packages at https://github.com/ocaml/opam-repository https://github.com/ocaml/opam-repository. Mailing list is opam-devel@lists.ocaml.org.