Friend

Supports form and HTTP Basic authentication out-of-the-box and allows easy integration for custom workflows like OAuth and OpenID Connect, as highlighted in the README.

Uses Clojure's ad-hoc hierarchies to model hierarchical roles, enabling fine-grained access control through simple derive functions, making authorization intuitive.

Manages authentications, roles, and session data as persistent data structures, aligning with Ring's philosophy for easier reasoning and state management.

Provides Ring middlewares and macros to define authentication and authorization scopes, enabling DRY configuration without duplicating route setups.

Includes utilities for secure password hashing using bcrypt, with credential functions for verification, ensuring credential safety as per the README.