permify
Permify is an open-source authorization service for creating and maintaining fine-grained authorizations in your applications.https://github.com/Permify/permify
With Permify you can easily structure your authorization model, store authorization data in your own servers securely, and interact with Permify API to handle all authorization questions from any of your applications.
Permify's data model is inspired by Google’s consistent, global authorization system, Google Zanzibar Paper.