cryptography includes both high level recipes and low level interfaces to common cryptographic algorithms such as symmetric ciphers, message digests, and key derivation functions.

docopt creates beautiful command-line interfaces

nacho is a django based web application for managing ldap accounts and groups.
it provides a simple interface for account-registration, self service (editing
profile information) and password reset as well as an interface for
administration of accounts.

This is a library for making SSH2 connections (client or server). Emphasis is on using SSH2 as an alternative to SSL for making secure connections between python scripts. All major ciphers and hash methods are supported. SFTP client and server mode are both supported too.

Required packages:
pyCrypto

To install the in-development version, use pip install paramiko==dev.

PEP 3156 -- Asynchronous IO Support Rebooted: the "asyncio" Module

Back in October 2012 Python's Benevolent Dictator for Life, Guido van Rossum, embarked on a mission to add asynchronous I/O to the Python standard library, t...