pyzok is an Adobe AIR application, a lightweight chat server / client pair written in python, it is based on asynchronous sockets written in python . It has a commands system which allows the administrator to define various commands and uses a simple header system which can also be modified.
pyzok comes with pChat that serves as a client that connects to the server and enables communication.

Requirements:
* Python
* Adobe AIR

The license of this software is Free, you can free download and free use this lan messenger software.