Supabase is an open source Firebase alternative. Start your project with a Postgres Database, Authentication, instant APIs, Real-time subscriptions and Storage. The difference between Firestore database and Supabase Postgres database is that Firestore is NoSQL database whereas Supabase is relational database.
Spotify has a web API that we can use in our applications. In this article, I will show you how to use the Spotify REST API and make requests to some endpoints. You can check the API reference [here](https://developer.spotify.com/documentation/web-api/).
Valtio is a global state management library for React. Valtio is similar to other state management libraries such as Redux or Context API where you have a global context but it is much simpler to setup.