Writing a domain-specific language on Racket is kinda Racket's main selling point. If you don't trust me, you can trust the people who made Arc and HN. Afterall

Writing a domain-specific language on Racket is kinda Racket's main selling point. If you don't trust me, you can trust the people who made Arc and HN. Afterall back in 2007 you had other options. Some of them vastly popular even now (Rails, Django, PHP, Scala, ...).