Demos for gnuplot version 5.4 (pngcairo terminal)
See also the demo output for the SVG and canvas terminals.

Gnuplot is distributed with a large set of demonstration scripts. Here are samples of PNG output from some of the demos.

Basic 2D plot styles simple functions filled curves fill between curves candlesticks error bars histograms (more) histogram + errorbars bar graphs step functions multiple axis scales mixing styles variable size points parallel axis plots parametric functions piecewise functions vector fields circles boxplots rug plot jitter (bee swarm) spider plot text Math functions approximation complex trig functions complex error function probability probability (more) random numbers recursion, etc... data statistics Curve fitting cubic and Bezier splines monotonic csplines explicit B-splines explicit Bezier splines Levenberg-Marquardt DLS Colors data-dependent coloring RGB coloring RGB + alpha channel pm3d colors pm3d gamma	3D plots and surfaces surfaces 1 surfaces 2 contours custom contour lines singularities hidden surfaces pm3d coloring pm3d hidden surfaces pm3d clipping 3D mapping 2D projection of 3D surface shaded error region azimuth boxes circle and polygon 3D objects pm3d polygons lighting model hidden3d v. pm3d Volume plots (new!) voxel-dependent coloring 3D representation of voxels 3D isosurface Coordinate and axis transforms linked axes logscale axes nonlinear axes broken axes polar coords polar functions polar data polar quadrants cylindrical/spherical time/date coords coord sampling ranges Binary and Image data binary data image data binary and image tricks RGB + alpha channel bar chart art missing/NaN values pixmap gradients and icons	Sample Applications Epidemiological data control models discrete contours financial data iteration non-gridded data running averages automatic binning binning/histograms arrays fence plots Gantt chart points labeled by origin label stacked histogram 2D and 3D heat maps heatmaps from scattered points solar path diagram map projections violin plot Text options rotated text 'enhanced' text string data boxed text variable font size string variables hypertext (no png support) unicode as \U+xxxx" Page Layout multiplot layout multiple plots aligned plots axis location axis ticmarks walls rectangles customized key extra key entries Styles line and arrow styles fill styles dashed lines transparency transparent solids
			Animation animated gif