If you aim to reach opensource developers (they are great components for a new language community) I could add to that nice list: 9) Mailing list 10) I

If you aim to reach opensource developers (they are great components for a new language community) I could add to that nice list: 9) Mailing list 10) IRC channel With convenient support. But on a more abstract way... I think... just focus all your marketing in the stuff that makes your lang desirable, for users of currently available languages. From all the view points (technical, management, guarantees, etc).