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.
@azure/identity
Microsoft Entra ID credential library that authenticates every Azure SDK client, from managed identity in production to CLI and browser login in development.
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.
@octokit/auth-app
GitHub App authentication strategy for JavaScript and Octokit
argon2-cffi
Secure, high-level password hashing for Python using Argon2
node-oauth2-server
Framework-agnostic, RFC 6749/6750-compliant OAuth 2.0 server module for Node.js with native async/await and PKCE support.
OAuthLib
Generic, spec-compliant OAuth1, OAuth2, and OpenID Connect implementation for Python
league/oauth2-client
A framework-agnostic PHP client for building OAuth 2.0 login and API-authorization flows.
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
zxcvbn-ts
A TypeScript rewrite of Dropbox's zxcvbn password strength estimator, with pluggable dictionaries and async matcher support.
SAML Jackson (Polis)
Open-source SAML 2.0 and OIDC library that turns enterprise SSO logins into a plain OAuth 2.0 flow for your Node.js app.
Google2FA
A framework-agnostic PHP implementation of HOTP and TOTP one-time passwords, compatible with Google Authenticator and similar apps.
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.
Symfony SecurityBundle
Symfony's full-stack authentication and authorization layer, configuring firewalls, authenticators, and access rules from YAML
Flask-Limiter
Rate limiting for Flask applications with pluggable storage backends and per-route limits
TwoFactorAuth
PHP library for TOTP-based two-factor authentication with pluggable QR code providers
Social Auth Core
The core authentication backend engine behind Python Social Auth, supporting OAuth, OpenID, and SAML.
Firebase php-jwt
A simple PHP library to encode and decode JSON Web Tokens conforming to the JWT spec.