Ionic 4 firebase CRUD tutorial to learn how to create a firebase application to perform Authentication and all CRUD operations in an ionic 4 application. You can use this FREE Ionic Firebase Starter App as a base to create your Ionic App with Firebase backend :)

5 minute Firebase Web Database Tutorial

This is a simple example of using firebase with the basic functionalities so that you can perform CRUD operations by yourself. Cheers!!

React Native Expo app showcasing Firebase integration on native and web

Firebase tutorial

Asp.net MVC - Firebase Tutorial {CRUD - File Upload - Notification}