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.

7,765
Other
Used by 53
85Health
Library PyPI

PyJWT

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

5,700
MIT
Used by 44
48Health
Library npm

forge

A native, pure-JavaScript implementation of TLS and PKI cryptography for building crypto-based Node.js and browser apps.

5,331
Other
Used by 17
75Health
Library PyPI

bcrypt (Python)

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

1,503
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.

3,134
BSD 3
Used by 15
70Health
Library PyPI

argon2-cffi

Secure, high-level password hashing for Python using Argon2

731
MIT
Used by 8
69Health
Tool npm

@vitejs/plugin-basic-ssl

A Vite plugin that generates a self-signed certificate so your dev and preview servers can run over HTTPS with zero setup.

516
MIT
Used by 8
74Health
Library Go

certmagic

Automatic HTTPS for Go programs — the production-grade ACME client library that powers Caddy, obtaining and renewing TLS certificates with zero manual cert management.

5,598
Apache 2.0
Used by 6
72Health
Library PyPI

pyOpenSSL

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

944
Apache 2.0
Used by 6
61Health
Library PyPI

PyOTP

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

3,335
MIT
Used by 5
67Health
Library PyPI

pycryptodome

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

3,262
Other
Used by 4
53Health
SDK PyPI

hvac

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

1,315
Apache 2.0
Used by 4
63Health
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
81Health
Library PyPI

xxhash

Fast Python bindings for the xxHash non-cryptographic hashing algorithm

466
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
92Health
Tool PyPI

Certbot

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

33,232
Apache 2.0
Used by 2
65Health
Library PyPI

PyNaCl

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

1,205
Apache 2.0
Used by 2
50Health
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
61Health
SDK PyPI

Aliyun Python SDK KMS

Alibaba Cloud Key Management Service (KMS) client for Python.

1,044
Apache 2.0
Used by 1
81Health
SDK Cargo

Nostr SDK

A full-featured Rust SDK for building high-performance clients and in-process relays on the Nostr protocol

674
MIT
Used by 1
46Health
Library Cargo

native-tls

A safe, ergonomic Rust wrapper over each platform's native TLS implementation.

546
Other
Used by 1
36Health
Library PyPI

SecretStorage

Python bindings to the Freedesktop.org Secret Service D-Bus API for secure password storage on Linux.

148
BSD 3
Used by 1
73Health
Library PyPI

tink-py

Google's misuse-resistant cryptography library for Python, providing safe AEAD, MAC, digital signature, and hybrid encryption APIs.

78
Apache 2.0
Used by 1

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