What language are Shopify apps written in?

Related questions

1. Does Shopify have warehouse?
2. Does Shopify do shipping?
3. Can I build a Shopify store on my phone?
4. Does Shopify provide mobile app?
5. Can you modify Shopify themes?
6. Where does Shopify ship from?
7. What happens when you pause your Shopify store?
8. Can you create an app with Shopify?
9. How do I create a custom app on Shopify?
10. Does Shopify handle inventory?

Tags

1. #there
2. #things
3. #shopify
4. #offers
5. #including
6. #based
7. #simpler
8. #available
9. #endpoints
10. #number
11. #languages
12. #different
13. #language
14. #libraries