https://github.com/discourse/discourse https://github.com/discourse/discourse > Built With: > - Ruby on Rails > - Ember.js > ... and it's been used at

https://github.com/discourse/discourse https://github.com/discourse/discourse > Built With: > - Ruby on Rails > - Ember.js > ... and it's been used at subdomain https://forum.vuejs.org/ https://forum.vuejs.org/. From another comment I understand that it shows all detecting stuff for all subdomains, so this is the case.