Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

84Health
Library PyPI

cryptography

The standard cryptographic library for Python, pairing safe high-level recipes with low-level primitives backed by Rust and OpenSSL.

7,786
Other
Used by 54
86Health
Library PyPI

PyJWT

A Python implementation of RFC 7519 for encoding, decoding, and verifying JSON Web Tokens.

5,706
MIT
Used by 44
75Health
Library PyPI

bcrypt (Python)

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

1,501
Apache 2.0
Used by 16
46Health
Library PyPI

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.

3,135
BSD 3
Used by 15
67Health
Library PyPI

argon2-cffi

Secure, high-level password hashing for Python using Argon2

731
MIT
Used by 8
93Health
Library Composer

phpseclib

Pure-PHP implementations of SSH2, SFTP, X.509, RSA, AES, and dozens of other cryptographic primitives

5,593
MIT
Used by 6
69Health
Library PyPI

pyOpenSSL

A Python wrapper around the OpenSSL library for TLS connections and certificate handling

944
Apache 2.0
Used by 6
53Health
Library PyPI

PyOTP

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

3,339
MIT
Used by 5
69Health
Library Cargo

x509-parser

A pure-Rust, zero-copy X.509 certificate parser (RFC 5280) built on the nom parser-combinator framework, with optional signature verification.

277
Other
Used by 5
66Health
Library PyPI

pycryptodome

A self-contained, low-level Python library of cryptographic primitives — ciphers, hashes, MACs, and public-key algorithms — with no OpenSSL dependency.

3,265
Other
Used by 4
71Health
Library Composer

Google2FA

A framework-agnostic PHP implementation of HOTP and TOTP one-time passwords, compatible with Google Authenticator and similar apps.

2,010
MIT
Used by 4
53Health
SDK PyPI

hvac

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

1,318
Apache 2.0
Used by 4
61Health
Library PyPI

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.

106
MIT
Used by 4
36Health
Library PyPI

python-rsa

Pure-Python RSA library for key generation, PKCS#1 encryption, decryption, signing, and verification, with no C extensions required.

490
Apache 2.0
Used by 3
80Health
Library PyPI

xxhash

Fast Python bindings for the xxHash non-cryptographic hashing algorithm

467
Other
Used by 3
69Health
Library PyPI

asn1crypto

A fast, pure Python library for parsing and serializing ASN.1 structures with a pythonic, high-performance API.

362
MIT
Used by 3
91Health
Tool PyPI

Certbot

EFF's command-line tool to obtain and auto-renew free Let's Encrypt TLS certificates

33,251
Apache 2.0
Used by 2
75Health
Library Composer

Firebase php-jwt

A simple PHP library to encode and decode JSON Web Tokens conforming to the JWT spec.

9,808
BSD 3
Used by 2
89Health
Library Composer

lcobucci/jwt

A simple, RFC 7519-compliant PHP library for creating, signing, and validating JSON Web Tokens

7,478
BSD 3
Used by 2
46Health
Library Composer

Laravel Hashids

A Laravel service provider and facade bridge for the Hashids library, encoding integers into short reversible hash strings.

2,055
MIT
Used by 2
66Health
Library Composer

OTPHP

A PHP library for generating TOTP and HOTP one-time passwords per RFC 4226 and RFC 6238

1,492
MIT
Used by 2
64Health
Library PyPI

PyNaCl

Python bindings to libsodium for authenticated encryption, digital signatures, hashing, and password-based key derivation

1,206
Apache 2.0
Used by 2
49Health
Library PyPI

python-gnupg

A Python API for GnuPG — generate keys, encrypt, decrypt, sign, and verify data from your code.

143
Other
Used by 2
48Health
Library Composer

random_compat

PHP 5 polyfill for PHP 7's cryptographically secure random_bytes() and random_int()

8,150
MIT
Used by 1

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