Loopa News is basically an open source realtime URL sharing app that pretends to serve as a mid size example to learn how to build modern reactive SPAs. In this project you will find how to implement important features/services such as:
- User Accounts (Sign Up, Sign In, Sign Out & Change Password)
- Authentication with JSON Web Tokens
- Reactive RESTful APIs 
- Realtime notifications & alerts
- Comments with Markdown support
- Edit comments with Markdown preview
- Pagination & many more...
 React to model changes from the controller and broadcast them to all the clients subscribed to a particular Phoenix channel.
You can play with the demo here.