Firebase

• Tools for building apps and managing infrastructure on GCP
• Acquired by Google in 2014

• Features

• Document Database: Firestore (json db that stays in sync with the frontend application)

• User authentication
• Website hosting: a Backend as a Service (BaaS)
• Serverless computing: Cloud functions GCP serverless backend
• Messaging & notifications: Cloud Messaging GCG
• Analytics: Google Analytics
• Ads: Google AdMob
• SDK: for android, ios, js, c++, etc