Data visualization

Sites that present data through charts, maps, and interactive interfaces.

277 curated websites

Academic Research

2 websites

Our World in DataA free, non-profit research publication by Oxford University researchers and the charity Global Change Data Lab, with interactive charts and analysis on poverty, climate, health and other global issues, largely reusable under CC BY.

Connected PapersVisual literature-discovery tool that turns one seed paper into a graph of similar papers, computed from co-citation and bibliographic coupling over Semantic Scholar's corpus. Free accounts get 5 graphs a month; subscriptions are unlimited.

Online Learning

3 websites

Sam WhoPersonal site of British programmer Sam Rose: visual, interactive essays on load balancing, memory allocation, hashing, Big O, Bloom filters and more. Free, no account, English.

Seeing TheoryA visual introduction to probability and statistics by a Brown University student team: six interactive D3.js chapters, 2018 Webby winner, in English, Chinese and Spanish. Free, now archived.

Explorable ExplanationsThe hub of the explorable explanations movement: a community-maintained directory of hundreds of learn-through-play web experiences, browsable by subject. Free, CC0 open source, English.

Practical Tools

1 websites

FeltFelt is a cloud-native GIS — drop any spatial file into the browser to get a shareable map, edit together in real time, and connect live warehouse data. Free for personal use.

Creative Tools

1 websites

Napkin AIA visual AI platform from the Osmo founding team: paste or import text and get editable infographics, flowcharts, mind maps, and data charts in 60+ languages, with PNG/PDF/PPT/SVG export; Napkin Slides (beta) adds AI presentations.

Explore the World

2 websites

WindyWindy is an interactive global weather visualization platform from a Czech team, layering wind, radar, satellite and air quality on an animated map, with ECMWF, GFS and ICON model comparison. Core features are free, no account required.

earthAn animated globe by Tokyo engineer Cameron Beccario, online since 2013, that turns NOAA, NASA and Copernicus forecasts into flowing maps of wind, temperature, pressure, currents, waves, aerosols and aurora, zoomable to city level.

Developer Tools

1 websites

ObservableObservable is a browser-based platform for data visualization and reactive notebooks, co-founded by D3.js creator Mike Bostock. Build and share interactive data documents with JavaScript, Markdown, and SQL.

Fun & Games

1 websites

Every Noise at OnceA music discovery site that maps Spotify's 6,291 genres as a clickable acoustic scatter plot — every genre name plays a sample and links to artist maps and playlists; the map has been a static snapshot since late 2023.

Maps & world

1 websites

Zoom EarthAn interactive weather map layering near-real-time satellite imagery, radar, forecasts, hurricane tracks and wildfire hotspots on one map — no account needed. Built by Neave Interactive on NOAA, NASA and EUMETSAT data.

Science Exploration

2 websites

Bartosz CiechanowskiPersonal site of Polish engineer Bartosz Ciechanowski: long technical essays with hands-on real-time simulations explaining GPS, mechanical watches, engines, sound and the Moon. Free, no account, English.

The PuddingA digital publication explaining culturally debated ideas through visual essays: 220+ interactive data stories since 2017, each researched, designed and coded by one author. Free, English.

Personal Finance

1 websites

TradingViewA browser-based charting platform and investor community for stocks, crypto, forex and futures: pro charts, indicators, Pine Script and shared ideas, used by 100M+ per the company. Basic plan free; paid tiers scale charts and alerts.