* [OpenFGA v1.22.0](https://github.com/openfga/openfga) – High-performance authorization engine for modeling and enforcing fine-grained access control inspired by Google Zanzibar. * [Authula v1.48.0](https://github.com/Authula/authula) – Embeddable Go library or standalone auth server with plugin-based, composable authentication and extensible hooks. * [Permify v1.7.5](https://github.com/Permify/permify) – Service for building and managing fine-grained, scalable access controls quickly. * [Unkey api/v1.1.58](https://github.com/unkeyed/unkey) – API authentication and authorization platform for modern developer workflows.