MapTools
Observable
vs
Turf.js

Observable: Data notebooks and dashboards with D3 and Plot maps. Turf.js: Geospatial analysis in JavaScript, in the browser or Node.

ObservableTurf.js
CategoryGeospatial Data VisualizationMap Libraries & SDKs
Pricing modelFreemiumOpen source
Starts atSee websiteFree
Free tierFree for public notebooks—
Open sourceNoYes
Software licence—MIT
API——
PlatformsWeb, JavaScriptJavaScript
Made by——
Commercial useCheck termsAllowed
Export / print imagesCheck termsAllowed
Offline / cachingCheck termsAllowed
Visits from MapTools23
Visit Visit

Observable features

  • Reactive notebooks
  • Observable Plot geo marks
  • D3 projections
  • Data apps framework
Observable alternatives

Turf.js features

  • Buffers, unions and intersections
  • Distance, area and bearing
  • Point-in-polygon and clustering
  • Works in browser and Node.js
Turf.js alternatives

Summary based on public information. Check each provider's current pricing and terms.