Linqhttp://cosoft.org.cn/projects/myicq/linq is an instant messaging software that follows the Jabber protocol (http://www.jabber.org). The client has a very gorgeous user interface and is very powerful. LINQ can run interior, or on the Internet, can even communicate with other existing Jabber servers on the Internet.
Jabberhttp://www.jabber.orgjabber is an open, XML-based protocol that can be used to add instant messaging to the application. Qthttp://user.nankai.edu.cn/QT/index.htmlqt is a multi-platform C graphical user interface application framework. It provides the application developer to establish the functionality required to establish an art graphical user interface. MDA (Model Drive Architecture) Model Driven ArchitectureMDA Drive App Design Http://www.mdachina.net/mda, Software Development Revolution
