| QwtAnalogClock | An analog clock |
| QwtArrayData | Data class containing two QwtArray<double> objects |
| QwtArrowButton | Arrow Button |
| QwtAutoScale | The Qwt Auto-Scaler |
| QwtCompass | A Compass Widget |
| QwtCompassMagnetNeedle | A magnet needle for compass widgets |
| QwtCompassWindArrow | An indicator for the wind direction |
| QwtCounter | The Counter Widget |
| QwtCPointerData | Data class containing two pointers to memory blocks of doubles |
| QwtCurve | A class which draws curves |
| QwtData | QwtData defines an interface to any type of data |
| QwtDblRange | A class which controls a value within an interval |
| QwtDial | QwtDial class provides a rounded range control |
| QwtDialNeedle | Base class for needles that can be used in a QwtDial |
| QwtDialScaleDraw | |
| QwtDialSimpleNeedle | |
| QwtDiMap | Map a double interval into an integer interval |
| QwtDoublePoint | |
| QwtDoublePointData | Data class containing a single QwtArray<QwtDoublePoint> object |
| QwtDoubleRect | |
| QwtDoubleSize | |
| QwtDynGridLayout | Lays out widgets in a grid, adjusting the number of columns and rows to the current size |
| QwtEventPattern | A collection of event patterns |
| QwtGrid | A class which draws a coordinate grid |
| QwtKnob | The Knob Widget |
| QwtLegend | The legend widget |
| QwtLegendButton | A legend button |
| QwtLegendItem | |
| QwtLegendLabel | A legend label |
| QwtMarker | A class for drawing markers |
| QwtPaintBuffer | Paint buffer for Qwt widgets |
| QwtPainter | A collection of QPainter workarounds |
| QwtPicker | QwtPicker provides selections on a widget |
| QwtPickerClickPointMachine | A state machine for point selections |
| QwtPickerClickRectMachine | A state machine for rectangle selections |
| QwtPickerDragPointMachine | A state machine for point selections |
| QwtPickerDragRectMachine | A state machine for rectangle selections |
| QwtPickerMachine | A state machine for QwtPicker selections |
| QwtPickerPolygonMachine | A state machine for polygon selections |
| QwtPlainText | Plain text drawing support |
| QwtPlot | A 2-D plotting widget |
| QwtPlotCanvas | Canvas of a QwtPlot |
| QwtPlotCurve | Curve class for QwtPlot |
| QwtPlotGrid | Grid class for QwtPlot |
| QwtPlotItem | Base class for items on the plot canvas |
| QwtPlotLayout | Layout class for QwtPlot |
| QwtPlotMappedItem | Base class for items on the plot canvas, that are attached to x and y axes |
| QwtPlotMarker | Marker class for QwtPlot |
| QwtPlotPicker | QwtPlotPicker provides selections on a plot canvas |
| QwtPlotPrintFilter | A base class for plot print filters |
| QwtPlotZoomer | QwtPlotZoomer provides stacked zooming for a plot widget |
| QwtPushButton | |
| QwtRect | Some extensions for QRect |
| QwtRichText | Rich text drawing support |
| QwtScale | A Widget which contains a scale |
| QwtScaleDiv | A class for building scale divisions |
| QwtScaleDraw | A class for drawing scales |
| QwtScaleIf | An interface class for widgets containing a scale |
| QwtSlider | The Slider Widget |
| QwtSliderBase | A Base class for sliders |
| QwtSpline | A class for spline interpolation |
| QwtSymbol | A class for drawing symbols |
| QwtText | A virtual class to draw text |
| QwtThermo | The Thermometer Widget |
| QwtWheel | The Wheel Widget |
1.3.6