Authlib: OAuth & OpenID Connect Library

Authlib is a comprehensive Python library for building OAuth (1.0 & 2.0) and OpenID Connect (OIDC) clients and servers. It includes full support for JSON Web Signatures (JWS), JSON Web Encryption (JWE), JSON Web Keys (JWK), JSON Web Algorithms (JWA), and JSON Web Tokens (JWT). The library is actively maintained with frequent releases, currently at version 1.6.9, and is compatible with Python 3.9+.