pyOpenSSL - Python interface to the OpenSSL library. [Open Source, LGPL] Advanced Encryption Suite - Implementations of the SHA256, AES and several CSPRNGs in pure Python. [Open Source, BSD-like] Python OpenSSL Wrappers - A set of wrappers for Python of the OpenSSL libraries. POW will provide a 'slim' interface which will still enable Python developers to fully utilise OpenSSL. [Open Source, BSD-like] Pisces - Python implementation of the SPKI Certificate standard. [Open Source, Python License] Python mcrypt wrapper - Python-mcrypt is a Python interface to the mcrypt library, which provides a uniform interface to several symmetric encryption algorithms. [Open Source, LGPL] auth-modules - A module collection for password authentication purposes and user database management. [Open source] CryptKit - A Cryptographic Toolkit for Python, which, among others, provides access to the SHA256, AES and ellipcitic curves algorithms. [Open Source, BSD-like]