It's an end to end Cafe Management System Web-Application with backend. I got inspiration to work on this project when I happened to visit a night canteen in my college and I saw their Billing-System.

This software provides a collection of routines that can be used to build client modules for OAuth 2.1, OAuth 2.0 with the latest Security Best Current Practices (BCP), and FAPI 2.0, as well as OpenID ...