Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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PyJWT
A Python implementation of RFC 7519 for encoding, decoding, and verifying JSON Web Tokens.
google-auth
The foundational Python library for authenticating to Google Cloud and Google APIs with OAuth2, service accounts, and Application Default Credentials.
NextAuth.js
Open-source authentication for Next.js with OAuth, OIDC, email, and passkey sign-in.
bcrypt (Python)
A Python library for secure password hashing using the bcrypt algorithm with an adjustable work factor
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.
react-turnstile
React bindings for Cloudflare Turnstile — a privacy-first CAPTCHA alternative with a declarative component and a full imperative ref API.
@clerk/backend
The official JavaScript SDK for Clerk's Backend API and JWT session verification.
argon2-cffi
Secure, high-level password hashing for Python using Argon2
OAuthLib
Generic, spec-compliant OAuth1, OAuth2, and OpenID Connect implementation for Python
React OAuth (Google)
Typed React hooks and components for Google Sign-In, One Tap, and OAuth2 login built on Google's Identity Services SDK.
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
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
react-turnstile
A minimal React component and hook for rendering Cloudflare Turnstile CAPTCHA challenges.
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
requests-kerberos
Kerberos and GSSAPI authentication support for Python Requests
python-gssapi
Python bindings for RFC 2743/2744 GSSAPI, giving Python code direct, Pythonic access to Kerberos and other GSSAPI security mechanisms.
wagmi
Reactive React Hooks for building Ethereum and Web3 applications, built on viem and TanStack Query.