Open Source Network Clients in Python

Emesene is a platform independent MSN Messenger client written in Python+GTK and distributed under the GNU GPLv2 license. The main idea is to make a client similar to the official client but with a simpler GUI and a nice look.

PyDNS provides a module for performing DNS queries from python applications.

Python-ldap provides an object-oriented API to access LDAP directory servers from Python programs. Mainly it wraps the OpenLDAP 2. x libs for that purpose.