| XGP::AnimatedWindow | Class animating objects |
| XGP::AutoContainer | Class to show child widgets, arranged horizontally (all widgets in a single line have the same height; if the width of all children exceeds the width of the widget itself, the line (and likely the following ones) is/are re-aligned |
| XGP::BrowserDlg | Class to enable the user to select one of the (popular) UNIX browsers or to enter his own choice |
| XGP::ConnectDlg | Dialog to handle enable either waiting for clients to connect or to connect to a server |
| XGP::EnumEntry | Class enabling to select a value of a MetaEnum from a combobox offering all its values |
| XGP::FileColumns | Class representing the (minimal) columns in the (file) view |
| XGP::FileDialog | This class can be be used to retrieve file or directory names from the user |
| XGP::HTMLViewer | Helper class to display a HTML document in a dialog |
| XGP::LoginDialog | Dialog to enter the information to perform a login (userid and password) |
| XGP::MessageDlg | Message dialog, designed to display a StatusObject object |
| XGP::PrintDialog | Class to display a dialog to enter the command to print some text |
| XGP::SearchDialog | Dialog to enter a search string |
| XGP::TraceDlg | Class to display a dialog to change the level of registered trace-objects |
| XGP::TraceObjColumns | Class describing the columns in the TraceObject list |
| Glib::ValueBase_Attribute | Glib::Value basing on YGP::AttributValues |
| XGP::XAbout | Class to show a dialog with the about information for a program |
| XGP::XApplication | Baseclass for X-applications; it creates an application-window with a client |
| XGP::XAttributeEntry< T, P > | Class to display and change an attribute inside and entry box |
| XGP::XAttributeLabel< T > | Class to display an attribute in a formated style while preservering its other abilities |
| XGP::XAttributeLabel2< T > | Class to display an attribute in a formated style while preservering its other abilities |
| XGP::XAttributeSpinEntry< T, P > | Class to display and change an attribute inside and spin-entry |
| XGP::XDate | Class to show a dialog to enter a date (year, month, day, hour, minute, second or any combination of those) |
| XGP::XDialog | Baseclass for dialogs |
| XGP::XFileEntry | Enhances the ordinary entry field with completing the input to the first file matching it |
| XGP::XFileList | Class for a (columned) list which holds files represented by an icon and textual information |
| XGP::XInfoApplication | Baseclass for X-applications showing the program information inside the client |