This is a PAM module which allows authentication against alternate
passwd files.
The PAM module can add a two-factor authentication
step to any PAM-enabled application.
A Pluggable Authentication Module for Kerberos 5, which can
be compiled for either Heimdal or MIT Kerberos.
RestrictedPython provides a restricted execution environment for Python,
e.g. for running untrusted code.
CryptKit is a developer's toolkit implementing several of the most modern
and efficient cryptographic algorithms.
A simple wrapper for the standard ruby OpenSSL library to encrypt
and decrypt strings
mbed TLS is a lightweight, portable, fully featured and standards compliant
SSL/TLS and cryptography library.
PuTTY is a client program for the SSH, Telnet and Rlogin network protocols.
These protocols are all used to run a remote session on a computer,
over a network. PuTTY implements the client end of that session:
the end at which the session is displayed, rather than the end
at which it runs.
PWman is a console application for managing passwords. It uses
GPG (gpgme) for encryption and authentication.
pyptlib is a little Python library which understands the pluggable transport
managed-proxy protocol