| AlarmCalendar | Provides read and write access to calendar files |
| ButtonGroup | Enhanced version of the QButtonGroup class. QButtonGroup with signal on new selection, plus Qt 2 compatibility |
| CheckBox | QCheckBox with the ability to transfer focus to another widget when checked, and with a read-only option. QCheckBox with focus widget and read-only options |
| ColourCombo | Combo box allowing the user to select a colour. Colour combo box with read-only option |
| ColourList | Holds a list of colours, sorted in RGB value order |
| ComboBox | QComboBox with a read-only option. QComboBox with read-only option |
| DateEdit | Date editor with the ability to set limits on the dates which can be entered. Date edit widget with range limits |
| DateTime | Holds a date, with or without a time. QDateTime with date-only option |
| Label | Text display, with special behaviour when a radio button is set as a buddy. QLabel with option for a buddy radio button |
| MessageBox | Extension to KMessageBox, including the option for Continue/Cancel message boxes to have a default button of Cancel. Enhanced KMessageBox |
| MessageWin | MessageWin: A window to display an alarm message |
| PushButton | QPushButton with a read-only option. QPushButton with read-only option |
| RadioButton | QRadioButton with the ability to transfer focus to another widget when checked, and with a read-only option. QRadioButton with focus widget and read-only options |
| ShellProcess | Runs a shell command and interprets the shell exit status as far as possible. KShellProcess with interpretation of shell exit status |
| Slider | QSlider with a read-only option. QSlider with read-only option |
| SpinBox | QSpinBox with accelerated stepping using the shift key. Spin box with accelerated shift key stepping and read-only option |
| SpinBox2 | Spin box with two pairs of spin buttons, one on either side. Spin box with a pair of spin buttons on either side |
| TimeEdit | Widget to enter a time of day in hours and minutes, using a 12- or 24-hour clock according to the user's locale settings. Widget to enter a time of day |
| TimePeriod | Widget for entering a time period as a number of weeks, days, or hours and minutes. Time period entry widget |
| TimeSpinBox | Widget to enter a time consisting of an hours/minutes value. Hours/minutes time entry widget |