Source code in 15 libraries — Python: Altair, Bokeh, lets-plot, Matplotlib, Plotly, plotnine, Pygal, Seaborn; R: ggplot2; Julia: Makie.jl; JavaScript: Chart.js, D3.js, Apache ECharts, Highcharts, MUI X Charts.
A ridgeline plot (also known as Joy Plot, named after the Joy Division album cover) displays the distribution of multiple groups by stacking partially overlapping density curves vertically. This creates a mountain ridge appearance that allows efficient comparison of many distributions simultaneously while maintaining a compact and visually striking presentation.

Preview render from the Makie.jl implementation.