Mapbox vs Leaflet vs MapLibre: Maps 2026

TL;DR

For web mapping in 2026: MapLibre GL JS is the free, open-source fork of Mapbox GL JS and the right default for most new projects. Mapbox GL JS is the same technology with Mapbox's proprietary tile service and analytics — use it if you need Mapbox's specific features or commercial support. Leaflet is the right choice if you need a simpler, lighter library without WebGL requirements or need to support older browsers.

Key Takeaways

• Leaflet: ~2.5M weekly downloads — lightweight, DOM-based, excellent for simple maps
• Mapbox GL JS: ~600K weekly downloads — vector tiles, 3D, powerful, but requires a Mapbox account
• MapLibre GL JS: ~500K weekly downloads — the MIT-licensed fork of Mapbox GL JS, no API key for rendering
• MapLibre was created in 2021 after Mapbox changed its license from BSD to proprietary
• MapLibre = Mapbox GL JS + open source license + community governance
• Use Leaflet for simple choropleth/marker maps; MapLibre/Mapbox for vector tiles, 3D, custom styles

Download Trends

Package	Weekly Downloads	License	WebGL Required
leaflet	~2.5M	BSD	❌ SVG/Canvas
mapbox-gl	~600K	Proprietary (2.0+)	✅
maplibre-gl	~500K	MIT	✅

The Mapbox → MapLibre Backstory

In late 2020, Mapbox changed mapbox-gl-js from BSD-2 to a proprietary license requiring Mapbox's tile service. The open-source community forked version 1.13 (the last BSD release) and created MapLibre GL JS.

Today, MapLibre is governed by the Linux Foundation and has:

• Active development beyond the Mapbox 1.x fork
• GPU-accelerated WebGL rendering
• Vector tile support
• 3D terrain and sky rendering
• Protocol handlers for custom tile sources

If you're using Mapbox GL JS 1.x: switch to MapLibre today. If you're evaluating which to use: MapLibre unless you specifically need Mapbox's commercial tile/analytics services.

Leaflet

Leaflet is the classic JavaScript mapping library — lightweight (42KB), battle-tested, and works everywhere including IE11:

import L from "leaflet"
import "leaflet/dist/leaflet.css"

// Fix default marker icon issue with bundlers:
import markerIcon2x from "leaflet/dist/images/marker-icon-2x.png"
import markerIcon from "leaflet/dist/images/marker-icon.png"
import markerShadow from "leaflet/dist/images/marker-shadow.png"

delete (L.Icon.Default.prototype as any)._getIconUrl
L.Icon.Default.mergeOptions({
  iconUrl: markerIcon,
  iconRetinaUrl: markerIcon2x,
  shadowUrl: markerShadow,
})

// Basic map with OpenStreetMap tiles:
const map = L.map("map").setView([37.7749, -122.4194], 13)

L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
  attribution: "© OpenStreetMap contributors",
  maxZoom: 19,
}).addTo(map)

// Add markers:
const marker = L.marker([37.7749, -122.4194])
  .addTo(map)
  .bindPopup("<b>San Francisco</b><br>City by the Bay")

// Add GeoJSON layer (choropleth, polygons):
L.geoJSON(geoJsonData, {
  style: (feature) => ({
    color: "#3388ff",
    weight: 2,
    opacity: 1,
    fillOpacity: 0.3,
    fillColor: getColorByValue(feature?.properties.value),
  }),
  onEachFeature: (feature, layer) => {
    layer.bindPopup(feature.properties.name)
    layer.on("mouseover", () => layer.setStyle({ weight: 3, fillOpacity: 0.5 }))
    layer.on("mouseout", () => layer.resetStyle())
  },
}).addTo(map)

Leaflet with React (react-leaflet):

import { MapContainer, TileLayer, Marker, Popup, GeoJSON } from "react-leaflet"
import "leaflet/dist/leaflet.css"

function LocationMap({ locations }: { locations: Location[] }) {
  return (
    <MapContainer
      center={[37.7749, -122.4194]}
      zoom={13}
      style={{ height: 400, width: "100%" }}
    >
      <TileLayer
        url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
        attribution="© OpenStreetMap contributors"
      />
      {locations.map((loc) => (
        <Marker key={loc.id} position={[loc.lat, loc.lng]}>
          <Popup>{loc.name}</Popup>
        </Marker>
      ))}
    </MapContainer>
  )
}

Leaflet strengths:

• 42KB — smallest of the three
• No WebGL — works on all devices/browsers
• Excellent plugin ecosystem (400+ plugins: heatmaps, clustering, routing, drawing)
• Simple, well-documented API
• react-leaflet for React integration

Leaflet limitations:

• No vector tiles — uses raster tiles (lower quality at high zoom, larger bandwidth)
• No 3D terrain or buildings
• Performance degrades with thousands of markers (use leaflet.markercluster)
• No built-in style customization beyond tile URL swap

MapLibre GL JS

MapLibre GL JS renders maps using WebGL — every element is a GPU-accelerated layer:

import maplibregl from "maplibre-gl"
import "maplibre-gl/dist/maplibre-gl.css"

// Initialize with a free tile source (no API key required):
const map = new maplibregl.Map({
  container: "map",
  style: "https://demotiles.maplibre.org/style.json",  // Free demo tiles
  // Or use a self-hosted tile server, Stadia Maps, Maptiler, OpenMapTiles:
  // style: "https://api.maptiler.com/maps/streets-v2/style.json?key=YOUR_KEY",
  center: [-122.4194, 37.7749],
  zoom: 12,
})

// Add a source (vector tiles, GeoJSON, raster, etc.):
map.on("load", () => {
  // GeoJSON source:
  map.addSource("packages", {
    type: "geojson",
    data: {
      type: "FeatureCollection",
      features: packageLocations.map((pkg) => ({
        type: "Feature",
        geometry: { type: "Point", coordinates: [pkg.lng, pkg.lat] },
        properties: { name: pkg.name, downloads: pkg.downloads },
      })),
    },
  })

  // Circle layer:
  map.addLayer({
    id: "package-circles",
    type: "circle",
    source: "packages",
    paint: {
      "circle-radius": ["interpolate", ["linear"], ["get", "downloads"], 0, 4, 10000000, 20],
      "circle-color": [
        "interpolate",
        ["linear"],
        ["get", "downloads"],
        0, "#blue",
        10000000, "#red",
      ],
      "circle-opacity": 0.8,
    },
  })

  // Click handler:
  map.on("click", "package-circles", (e) => {
    const props = e.features?.[0].properties
    new maplibregl.Popup()
      .setLngLat(e.lngLat)
      .setHTML(`<strong>${props?.name}</strong><br>${props?.downloads.toLocaleString()}/week`)
      .addTo(map)
  })
})

MapLibre with React (react-map-gl):

import Map, { Source, Layer, Popup, NavigationControl } from "react-map-gl/maplibre"
import "maplibre-gl/dist/maplibre-gl.css"

const circleLayer = {
  id: "packages",
  type: "circle" as const,
  paint: {
    "circle-radius": 6,
    "circle-color": "#8884d8",
    "circle-opacity": 0.8,
  },
}

function PackageMap({ geoJson }: { geoJson: GeoJSON.FeatureCollection }) {
  const [popupInfo, setPopupInfo] = useState(null)

  return (
    <Map
      initialViewState={{ longitude: -100, latitude: 40, zoom: 3.5 }}
      style={{ width: "100%", height: 400 }}
      mapStyle="https://demotiles.maplibre.org/style.json"
    >
      <NavigationControl />
      <Source type="geojson" data={geoJson}>
        <Layer {...circleLayer} />
      </Source>
    </Map>
  )
}

MapLibre advanced features:

// 3D terrain:
map.addSource("terrain", {
  type: "raster-dem",
  url: "https://api.maptiler.com/tiles/terrain-rgb/tiles.json?key=YOUR_KEY",
  tileSize: 256,
})
map.setTerrain({ source: "terrain", exaggeration: 1.5 })
map.setFog({})  // Add atmospheric haze

// 3D buildings:
map.addLayer({
  id: "3d-buildings",
  source: "composite",
  "source-layer": "building",
  type: "fill-extrusion",
  paint: {
    "fill-extrusion-color": "#aaa",
    "fill-extrusion-height": ["get", "height"],
    "fill-extrusion-base": ["get", "min_height"],
    "fill-extrusion-opacity": 0.6,
  },
})

// Animated data (live tracking):
function updateVehiclePositions(positions: Position[]) {
  const geojson = { type: "FeatureCollection", features: positions.map(toFeature) }
  const source = map.getSource("vehicles") as maplibregl.GeoJSONSource
  source.setData(geojson)  // GPU handles the re-render efficiently
}

Mapbox GL JS

Mapbox GL JS shares the same rendering engine as MapLibre but requires a Mapbox account:

import mapboxgl from "mapbox-gl"
import "mapbox-gl/dist/mapbox-gl.css"

mapboxgl.accessToken = "pk.eyJ1Ijoi..."  // Required, even for free tier

const map = new mapboxgl.Map({
  container: "map",
  style: "mapbox://styles/mapbox/streets-v12",
  center: [-122.4194, 37.7749],
  zoom: 12,
})

Mapbox-specific advantages:

• Mapbox Studio — visual style editor with curated map styles
• Mapbox's tile CDN — global, fast, with traffic data built-in
• Mapbox Geocoding and Directions APIs
• Mapbox Datasets — manage your own geographic data
• Enterprise SLA and commercial support

When Mapbox is worth the cost:

• You need Mapbox's curated style ecosystem (Mapbox Streets, Satellite, Light, Dark)
• Turn-by-turn navigation with live traffic data
• Geocoding (address search → coordinates) at scale
• Compliance requirements needing SLA and support contracts

Free tier: 50,000 map loads/month — sufficient for most projects.

Free Tile Providers (for MapLibre)

The main advantage of MapLibre is using any tile provider:

Provider	Free Tier	Notes
Maptiler	100K tiles/month	Good Mapbox alternative, Swiss company
Stadia Maps	200K tiles/month	OSM-based, no credit card for free
OpenMapTiles	Self-hosted	Full planet OSM tiles
Protomaps	Pay-per-request	Very cheap, PMTiles format
Stamen (Stadia)	Free (non-commercial)	Watercolor, Toner, Terrain styles

Feature Comparison

Feature	Leaflet	MapLibre	Mapbox GL JS
Rendering	SVG/Canvas	WebGL	WebGL
Vector tiles	❌	✅	✅
3D terrain	❌	✅	✅
3D buildings	❌	✅	✅
Custom styles	Basic	Full (JSON)	Full + Studio
API key required	❌	❌ (for rendering)	✅
Bundle size	~42KB	~290KB	~300KB
Mobile performance	✅	✅	✅
React integration	react-leaflet	react-map-gl	react-map-gl
Plugin ecosystem	400+	Growing	Growing
IE/old browser support	✅	❌ WebGL only	❌ WebGL only
License	BSD	MIT	Proprietary
Free tier	N/A	✅	50K loads/mo

When to Use Each

Choose MapLibre if:

• Starting a new project with vector tile or 3D requirements
• You want Mapbox GL JS functionality without the API key
• Open-source license compliance matters
• You'll host your own tile server or use an alternative provider

Choose Mapbox GL JS if:

• You want Mapbox's visual style editor (Studio)
• You need Mapbox's geocoding, directions, or isochrone APIs
• Commercial support or SLA is required
• Your project already uses Mapbox infrastructure

Choose Leaflet if:

• Simple marker/polygon maps without 3D requirements
• Browser compatibility including old iOS/Android versions
• You need Leaflet's specific plugin ecosystem (routing, drawing, heatmaps)
• Smallest bundle size is critical

Ecosystem & Community

The mapping library ecosystem reflects the broader shift toward open standards. MapLibre has become the go-to for any team that wants WebGL-quality maps without the commercial dependency. The Linux Foundation's governance means the project is accountable to the community, not a single company's roadmap. As of early 2026, MapLibre ships quarterly releases and has expanded its contributors significantly — the project now has over 300 contributors across MapLibre GL JS, MapLibre Native (mobile), and the MapLibre Style Spec.

Leaflet's ecosystem, while older, remains impressively healthy. The core library is in maintenance mode (intentionally), but the plugin ecosystem continues to generate new tools. Leaflet.draw, Leaflet.markercluster, Leaflet.heat, and Leaflet.fullscreen are among the most-used plugins, and most have active maintainers keeping pace with Leaflet version updates. The react-leaflet library has over 4 million weekly downloads on its own — a testament to how deeply Leaflet is embedded in existing React applications.

Mapbox's ecosystem is commercial and tightly controlled but polished. Mapbox Studio, the visual style editor, is a genuine competitive advantage — it lets non-developers fine-tune map styles without touching code. The Mapbox GL JS documentation is among the best in the mapping library space. Mapbox's geocoding and directions APIs have been battle-tested at scale by companies like Instacart, The New York Times, and Strava.

Real-World Adoption

Leaflet is used by Wikipedia (OpenStreetMap embeds), Craigslist, GitHub (repository maps), and countless government data portals. Its longevity makes it the default for organizations that have been building maps longer than MapLibre has existed. Any project that started before 2021 and hasn't been refactored is probably running Leaflet. For the underlying data that powers these maps, see best npm packages for 2026.

MapLibre has been adopted aggressively by cloud providers and geospatial companies that can't use Mapbox due to the proprietary license. AWS Location Service uses MapLibre under the hood. The CARTO platform migrated to MapLibre. Felt, the collaborative map platform, built their core experience on MapLibre. Any company building a mapping product and selling it commercially — where Mapbox's license terms would create pass-through obligations — has moved to MapLibre.

Mapbox itself remains in production at Shopify (delivery maps), Airbnb (listing maps), Snap (location features), and similar companies with complex commercial relationships where the managed tile service justifies its cost. At 50,000 free map loads per month, Mapbox is viable for most SaaS products until they reach meaningful scale. For the real-time features that often complement map applications — live vehicle tracking, collaborative annotations — see Liveblocks vs PartyKit vs Hocuspocus realtime 2026.

Developer Experience Deep Dive

Leaflet's documentation is a model of clarity. The API is consistent — every layer type follows the same add/remove/bind pattern. TypeScript support is mature via @types/leaflet and react-leaflet's own typings. The main friction points in Leaflet development are the marker icon issue in bundlers (require manually setting icon URLs when using webpack or Vite) and the lack of type-safe style expressions — all styling goes through plain JavaScript objects without type validation.

MapLibre's TypeScript support is first-class — the library ships its own types and the expression language for style layers is fully typed. The style specification is JSON-based and can feel verbose, but it enables a kind of declarative map programming that Leaflet's imperative API doesn't match. The react-map-gl library (maintained by Uber, now Vis.gl) provides a mature React wrapper for both MapLibre and Mapbox with a nearly identical API.

Mapbox's developer experience benefits from years of iteration and commercial investment. The Mapbox GL JS playground in their documentation lets you test code changes live. Mapbox Studio handles the feedback loop for visual style changes without touching code. The Mapbox CLI and dataset management tools round out a complete development workflow.

Performance & Benchmarks

The performance gap between Leaflet and the WebGL libraries becomes significant above a few hundred features on the map. Leaflet renders to SVG or Canvas; at 10,000+ markers, the DOM becomes the bottleneck. With leaflet.markercluster, you can push further by rendering clusters instead of individual markers, but the underlying rendering model doesn't scale to the density that WebGL handles natively.

MapLibre and Mapbox GL JS render everything on the GPU. Adding 100,000 points to a GeoJSON source doesn't meaningfully change rendering time — the GPU shaders process each frame in under 16ms (60fps) regardless. For data-dense applications like delivery tracking, real-time location services, or large-dataset visualizations, this is the primary reason to choose WebGL over Canvas/SVG.

Bundle size is the flip side: MapLibre at ~290KB gzipped vs Leaflet at ~42KB. For applications where the map is the entire point (navigation, geospatial analytics), this is irrelevant. For applications where the map is one feature among many, it can matter.

Migration Guide

Migrating from Mapbox GL JS to MapLibre is the most common mapping migration in 2026. The API is nearly identical — the fork was taken at Mapbox GL JS 1.13, and while MapLibre has added features since then, the core API is the same. The migration steps are:

1. Replace mapbox-gl with maplibre-gl in package.json
2. Replace import mapboxgl from 'mapbox-gl' with import maplibregl from 'maplibre-gl'
3. Remove mapboxgl.accessToken — not required for MapLibre
4. Update the CSS import from mapbox-gl/dist/mapbox-gl.css to maplibre-gl/dist/maplibre-gl.css
5. Replace Mapbox tile URLs (mapbox://styles/...) with an alternative provider (Maptiler, Stadia Maps, etc.)

For react-map-gl users, the migration is even simpler — change the import from react-map-gl to react-map-gl/maplibre and follow the same steps above.

Migrating from Leaflet to MapLibre requires more work — the rendering models and APIs are fundamentally different. The typical migration pattern is to identify which features you use in Leaflet (markers, popups, GeoJSON layers, event handlers) and map them to MapLibre's source/layer architecture. Most teams do this incrementally, running both libraries in parallel during the transition.

Final Verdict 2026

For new projects in 2026, the decision is straightforward: choose MapLibre unless you have a specific reason not to. It gives you the full power of WebGL rendering, vector tiles, 3D support, and custom styles without requiring an API key, and its MIT license means you can use it in any commercial context without obligation. The tile provider ecosystem (Maptiler, Stadia Maps, Protomaps) is competitive, and Maptiler's free tier of 100K monthly tiles covers most development and small-production scenarios.

Choose Leaflet when simplicity and browser compatibility are the priority — it remains the best library for quickly adding interactive markers and polygons to an existing application without WebGL complexity. Choose Mapbox when you need their specific commercial services (navigation, geocoding, Studio) or when your team is already invested in the Mapbox ecosystem and the cost is justified.

Methodology

Download data from npm registry (weekly average, February 2026). Feature comparison based on official documentation. Bundle sizes from bundlephobia.

Compare mapping library packages on PkgPulse →

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