5 free resources on this topic. Everything here is free and hand-picked. You can also search within this topic.
A Visual Capitalist chart using Federal Reserve data to compare U.S. household net worth across generations in 2026.
The JavaScript library for bespoke data visualization. Build custom, interactive charts and data stories directly in the browser.
From the site: The JavaScript library for bespoke data visualization
Why I recommend it: Open-source library maintained by Observable; free to use under the ISC license.
The open-source Python library for static, animated and interactive charts, with free plot-type galleries, tutorials, cheat sheets and a full API reference.
Why I recommend it: If you are learning data work, start here: the example gallery lets you copy a chart that already looks like what you need and adapt it.
An open-source, browser-based "spy satellite simulator" that plots real satellites, planes, vessels and public cameras on a photorealistic 3D globe, and answers questions about the planet in plain language.
Why I recommend it: A striking free build to study or fork if you want a portfolio project that people actually stop and look at.
Visual gallery and book companion exploring how modern maps, data, and spatial thinking shape understanding.
Why I recommend it: Unexpected source of inspiration for anyone who communicates with data and wants better visual intuition.
