The foundational Python library for authenticating to Google Cloud and Google APIs with OAuth2, service accounts, and Application Default Credentials.

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jsonwebtoken

Create and decode JSON Web Tokens in Rust in a strongly typed way

bcrypt (Python)

A Python library for secure password hashing using the bcrypt algorithm with an adjustable work factor

aws-config

Resolves AWS credentials and shared configuration for every AWS SDK for Rust client.

Azure Identity (Python)

Microsoft Entra ID token authentication for Azure SDK clients in Python

itsdangerous

A small Python toolkit for cryptographically signing data so you can trust it hasn't been tampered with when it comes back from an untrusted client.

keyring-rs

Cross-platform Rust library for storing passwords and secrets in the OS-native credential store

argon2-cffi

Secure, high-level password hashing for Python using Argon2

OAuthLib

Generic, spec-compliant OAuth1, OAuth2, and OpenID Connect implementation for Python

PyOTP

Python library for generating and verifying TOTP/HOTP one-time passwords for 2FA

Flask-WTF

Simple integration of Flask and WTForms with built-in CSRF, file upload, and reCAPTCHA support

oauth2-rs

An extensible, strongly-typed Rust implementation of the OAuth2 protocol (RFC 6749) with PKCE, introspection, revocation, and device flow support.

hvac

Python client library for HashiCorp Vault's secrets, authentication, and system-backend REST APIs.

django-allauth

Integrated Django app for authentication, registration, and social login

fastapi-users

Ready-to-use, fully customizable user registration, authentication, and management for FastAPI applications.

Flask-Limiter

Rate limiting for Flask applications with pluggable storage backends and per-route limits

rpassword

Cross-platform Rust library for securely reading passwords from the terminal.

totp-rs

RFC 6238-compliant TOTP two-factor authentication for Rust

django-oauth-toolkit

Turns any Django project into a spec-compliant OAuth 2.0 and OpenID Connect authorization server.

supabase-py

The official Python client for Supabase, wrapping Postgres, Auth, Storage, Edge Functions, and Realtime in one typed SDK.

Social Auth App Django

Django integration for python-social-auth, adding social login and registration to Django projects

openidconnect-rs

A strongly-typed, extensible Rust implementation of the OpenID Connect protocol for building relying-party authentication and OIDC provider integrations.