17 best Observable alternatives in 2026

Free & open-source alternatives

StoryMapJS

storymap.knightlab.com

Free tool to tell stories along a sequence of map locations

FreeMap Makers7

Details Visit

kepler.gl

Drag-and-drop geospatial data visualization in the browser

Open sourceData Viz5

Details Visit

deck.gl

GPU-powered visualization of large geospatial datasets

Open sourceLibraries1

Details Visit

D3 (d3-geo)

d3js.org

Map projections and SVG maps for custom data graphics

Open sourceLibraries1

Details Visit

Folium

python-visualization.github.io

Leaflet maps from Python

Open sourceLibraries1

Details Visit

Plotly

plotly.com

Interactive maps in Python, R and JavaScript charts

Open sourceData Viz1

Details Visit

Protomaps

protomaps.com

Self-host an entire world basemap as a single PMTiles file

Open sourceBasemaps9

Details Visit

GeoPandas

geopandas.org

Geospatial data analysis with pandas in Python

Open sourceAnalysis2

Details Visit

All alternatives

Tool	Pricing	Commercial use	Export images	Platforms
ObservableData notebooks and dashboards with D3 and Plot maps	Freemium	Check terms	Check terms	Web, JavaScript
CARTOCloud-native location intelligence on your data warehouse	Enterprise	Check terms	Check terms	Web, API, JavaScript	Compare
MapChartColor countries, states and regions to make simple choropleth maps	Freemium	With conditions	Allowed	Web	Compare
Foursquare Spatial StudioLarge-scale map visualization and analysis in the browser	Freemium	Check terms	Check terms	Web	Compare
StoryMapJSFree tool to tell stories along a sequence of map locations	Free	Check terms	Check terms	Web	Compare
ArcGIS StoryMapsStory maps that combine maps, text and media	Freemium	Check terms	Check terms	Web	Compare
kepler.glDrag-and-drop geospatial data visualization in the browser	Open source	Allowed	With conditions	Web, JavaScript, Python	Compare
DatawrapperCharts and maps for newsrooms, fast and accessible	Freemium	Allowed	With conditions	Web	Compare
deck.glGPU-powered visualization of large geospatial datasets	Open source	Allowed	Allowed	JavaScript, Python	Compare
FlourishAnimated, interactive data stories including maps	Freemium	Check terms	Check terms	Web	Compare
D3 (d3-geo)Map projections and SVG maps for custom data graphics	Open source	Allowed	Allowed	JavaScript	Compare
TableauBusiness intelligence with built-in maps	Paid	Check terms	Check terms	Web, Windows, macOS	Compare
FoliumLeaflet maps from Python	Open source	Allowed	Allowed	Python	Compare
PlotlyInteractive maps in Python, R and JavaScript charts	Open source	Check terms	Check terms	Python, R, JavaScript	Compare
ProtomapsSelf-host an entire world basemap as a single PMTiles file	Open source	Allowed	Allowed	Web, JavaScript, Command line	Compare
MapboxCustom map styles, vector tiles and location APIs for developers	Freemium	Allowed	With conditions	Web, JavaScript, iOS, Android, API	Compare
Google Maps PlatformGoogle's maps, places, routes and 3D tiles APIs	Paid	Paid plan	Not allowed	Web, JavaScript, iOS, Android, API	Compare
GeoPandasGeospatial data analysis with pandas in Python	Open source	Check terms	Check terms	Python	Compare