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
Category2
Sort:Used by Most Apps
cryptography
The standard cryptographic library for Python, pairing safe high-level recipes with low-level primitives backed by Rust and OpenSSL.
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.
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.
argon2-cffi
Secure, high-level password hashing for Python using Argon2
OAuthLib
Generic, spec-compliant OAuth1, OAuth2, and OpenID Connect implementation for Python
pyOpenSSL
A Python wrapper around the OpenSSL library for TLS connections and certificate handling
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
pycryptodome
A self-contained, low-level Python library of cryptographic primitives — ciphers, hashes, MACs, and public-key algorithms — with no OpenSSL dependency.
hvac
Python client library for HashiCorp Vault's secrets, authentication, and system-backend REST APIs.
service-identity
Verifies that a pyOpenSSL or cryptography TLS certificate is genuinely valid for the hostname, IP, or SRV name you intended to connect to.
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
python-rsa
Pure-Python RSA library for key generation, PKCS#1 encryption, decryption, signing, and verification, with no C extensions required.
xxhash
Fast Python bindings for the xxHash non-cryptographic hashing algorithm
asn1crypto
A fast, pure Python library for parsing and serializing ASN.1 structures with a pythonic, high-performance API.
Certbot
EFF's command-line tool to obtain and auto-renew free Let's Encrypt TLS certificates
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
