Elixir and OCaml mostly use a forum and it works well. Everyone can read it, it's easy to post on it, it's easy to moderate it, and it's great when you want to

Elixir and OCaml mostly use a forum and it works well. Everyone can read it, it's easy to post on it, it's easy to moderate it, and it's great when you want to search for things. I don't think microblogging and instant messaging are what an open source community needs.