QGIS is a Geographic Information System (GIS) which manages, analyzes and display databases of geographic information.

KDE is produced by an international technology team that creates free and open source software for desktop and portable computing. Among KDE's products are a modern desktop system for Linux and UNIX platforms, comprehensive office productivity and groupware suites and hundreds of software titles in many categories including Internet and web applications, multimedia, entertainment, educational, graphics and software development.

VNC stands for Virtual Network Computing. It is, in essence, a remote display system that allows you to view a computing `desktop' environment not only on the machine where it is running but from anywhere on the Internet and from a wide variety of machine architectures. For this purpose, it implements a client/server model.

XMMS2 is a redesign of the XMMS music player. It features a client-server model, allowing multiple (even simultaneous!) user interfaces, both textual and graphical. All common audio formats are supported using plug-ins. On top of this, there is a flexible media library to organize your music.

Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality.

x3270 opens a telnet connection to an IBM mainframe host in an X11 window. It can also connect to an IBM AS/400 as a 5250 terminal using the AS/400's 3270 emulation. The window created by x3270 can use its own font for displaying characters, so it is a fairly accurate representation of an IBM 3278 or 3279.