PUBLIC MARKS from cadu with tags im & library

libmsn is a C++ library for Microsoft`s MSN Messenger service. It provides a high-level interface that allows an application to access instant messaging features with ease

Libjingle is a set of C++ components provided by Google to interoperate with Google Talk`s peer-to-peer and voice calling capabilities. The package includes source code for Google`s implementation of Jingle and Jingle-Audio, two proposed extensions to the XMPP standard that are currently available in experimental draft form.