Re:Release Announcement for Racket 6.10
by defgeneric on Tuesday August 01, 2017 @12:44AM
(#14897935)
I can't find the thread but about a year ago a moderator here said HN uses racket.
[ Parent
| on HN ]
Arc [0], built atop Racket.
[0] https://en.wikipedia.org/wiki/Arc_(programming_language)