Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
Category1
Sort:Used by Most Apps
jwt
A zero-dependency Go implementation of JSON Web Tokens (JWT) with pluggable HMAC, RSA, RSA-PSS, ECDSA, and Ed25519 signing methods.
PyJWT
A Python implementation of RFC 7519 for encoding, decoding, and verifying JSON Web Tokens.
AWS SDK for Go v2
The official AWS SDK for Go — type-safe, modular clients for every AWS service.
google-auth
The foundational Python library for authenticating to Google Cloud and Google APIs with OAuth2, service accounts, and Application Default Credentials.
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.
webauthn
A spec-conformant WebAuthn and FIDO2 passkey server library for Go, handling registration and authentication ceremonies for passwordless and multi-factor login.
sessions
Cookie and filesystem session management for Go's net/http, with pluggable backends and key rotation.
argon2-cffi
Secure, high-level password hashing for Python using Argon2
jwx
A complete, opinionated Go implementation of the JOSE stack: JWT, JWS, JWE, JWK, and JWA.
securecookie
Encodes and decodes authenticated, optionally encrypted cookie values for Go web applications, guarding session data from tampering.
OAuthLib
Generic, spec-compliant OAuth1, OAuth2, and OpenID Connect implementation for Python
set-cookie-parser
Parse raw Set-Cookie header values into structured JavaScript cookie objects
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.
oidc
OpenID Connect (OIDC) and OAuth2 client and server library for Go, certified by the OpenID Foundation.
Flask-Limiter
Rate limiting for Flask applications with pluggable storage backends and per-route limits
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
