https://observablehq.com/@d3/cascaded-treemap
An alternative to nested treemaps as suggested by Lü and Fogarty.
treemapobservable
https://developers.google.com/earth-engine/datasets/catalog/USFS_GTAC_TreeMap_v2022?authuser=2
This product is part of the TreeMap data suite. It provides detailed spatial information on forest characteristics including number of live and dead trees,...
google for developersearth enginedata catalogusfstreemap
https://www.zoho.com/analytics/data-visualization-software/treemap-maker.html
Struggling to compare hierarchical data? Our treemap maker creates live, interactive charts for easy analysis & embedding. Visualize insights instantly!
freetreemapmakercreatechart
https://caplocus.com/
Live market capitalization treemap with performance overlays for US Tech equities.
ustechmarkettreemap