| List name | Post address | Description |
|---|---|---|
| ruby-core | ruby-core@ml.ruby-lang.org | Ruby developers |
| ruby-dev | ruby-dev@ml.ruby-lang.org | Ruby developers (Japanese) |
| ruby-list | ruby-list@ml.ruby-lang.org | Ruby users (Japanese) |
| ruby-talk | ruby-talk@ml.ruby-lang.org | Ruby users |