Python Authentication Libraries
Libraries for Python
GitHub Star Comparison
| No | Name | GitHub Stars | Description | Trend | License | Type | Official Site |
|---|---|---|---|---|---|---|---|
| 1 | Django-allauth | ⭐ 10.0k | Integrated authentication system for Django. Provides local authentication, social authentication, and account management in one package | Popular as Django's authentication integration solution. Growing attention due to increased demand for social login features | MIT | Social Authentication | Official |
| 2 | PyJWT | ⭐ 5.4k | Library for encoding and decoding JSON Web Tokens (JWT) in Python. Supports encryption and signature verification with a simple API | Widely adopted as the standard library for JWT authentication. Continuing growth due to increased demand in microservices architecture | MIT | JWT Token | Official |
| 3 | FastAPI Users | ⭐ 5.4k | Authentication and user management library specifically for FastAPI. Async-ready with comprehensive support for JWT, Cookie, and OAuth authentication | Significant growth in 2025 with the rapid adoption of FastAPI. Aligns with the trend of asynchronous application development | MIT | Async Authentication | Official |
| 4 | Authlib | ⭐ 4.9k | Comprehensive authentication library for OAuth, OpenID Connect, JWT, JWE. Supports major frameworks including Flask, Django, FastAPI, and Starlette | Most recommended Python authentication library in 2025. Rapidly growing with complete RFC-compliant implementation and extensive framework support | BSD-3-Clause | OAuth/OpenID Connect/JWT | Official |
| 5 | Flask-Login | ⭐ 3.6k | Simple session management library for Flask applications. Provides user login, logout, and session remembering functionality | Continuing to be used as basic authentication for Flask. Valued for its simplicity and adopted in many projects | MIT | Session-based Authentication | Official |
| 6 | Django OAuth Toolkit | ⭐ 3.3k | Official toolkit for building OAuth2 servers with Django. Provides Django integration based on the oauthlib library | Stable position as the standard OAuth2 implementation for Django projects. Widely adopted in enterprise applications | BSD-2-Clause | OAuth2 Provider | Official |
| 7 | Flask-Security | ⭐ 1 | Comprehensive security library for Flask. Integrates authentication, authorization, role-based access control, and token authentication | Valued as a Swiss army knife for Flask developers. Stable demand due to stricter security requirements | MIT | Comprehensive Security | Official |