There are 2 repositories under entity-attribute-value topic.
Integrate the entity-attribute-value model with polymorphic Eloquent-relations in your Laravel application.
A Javascript implementation of the Entity-Attribute-Value model and the event sourcing pattern for Node.js
Minimal code to realize storage for unlimited additional attibutes for any persistent entity
Fetch and import third party API products and variations with no repetitions into database and implementing Entity-Attribute-Value (EAV) Model.
A Symfony bundle for basic EAV management
A Symfony demo application with basic user management
multiple api (entity attribute value, ecommerce, period content management) -> the main idea, in my country we work as project based, so we need to repeat code to manage users and permissions and so on... i decided in this repository have some minimal project that have own job, and using environment config to load some of them.