THIS IS A OPEN SOURCE ECOMMERCE MADE BY ME (Rodrigo), YOU CAN USE THIS FOR FREE WITHOUT RESTRICTIONS. IT IS NOT MANDATORY TO GIVE CREDITS, BUT I WOULD LIKE YOU TO DO IT BY REDIRECTING TO THIS GITHUB
Contains a Open Source Ecommerce Client side and Open Source Ecommerce Admin Panel Side with Firebase Firestore and Realtime Database
Both work but the user is required to connect to Firebase on their own. Each application has its README in which it contains the functions and requirements