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wtf is leaflet?

malept/leaflet — explained in plain English

Analysis updated 2026-07-18 · repo last pushed 2016-12-15

JavaScriptAudience · developerComplexity · 2/5DormantSetup · easy

TL;DR

Leaflet is a lightweight JavaScript library for adding fast, interactive maps with zoom, markers, and layers to any website or app.

Mindmap

mindmap
  root((repo))
    What it does
      Interactive web maps
      Zoom pan and markers
      Tile layer support
      Plugin extensions
    Tech stack
      JavaScript
    Use cases
      Real estate listings
      Delivery tracking
      Data visualization
    Audience
      Web developers
      Frontend engineers
    Setup
      Drop into a project
      Runs in minutes

Code map

Detail Auto

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filefunction / class

Why would anyone build with this?

REASON 1

Embed an interactive map with zoom and markers on a real estate or business website.

REASON 2

Show customers real-time delivery or vehicle locations on a map.

REASON 3

Visualize geographic data like news stories or statistics on an interactive map.

REASON 4

Extend Leaflet with community plugins for heat maps or custom map styling.

What's in the stack?

JavaScript

How it stacks up

malept/leaflet3rd-eden/ircb.ioa15n/a15n
LanguageJavaScriptJavaScriptJavaScript
Last pushed2016-12-152016-11-162019-04-07
MaintenanceDormantDormantDormant
Setup difficultyeasyeasyeasy
Complexity2/52/52/5
Audiencedeveloperdevelopergeneral

Figures from each repo's GitHub metadata at analysis time.

How do you spin it up?

Difficulty · easy Time to first run · 5min

Lightweight library (about 37 KB) that works out of the box on modern and older browsers.

Yoink these prompts

Prompt 1
Help me add a basic Leaflet map with zoom and a marker to my website.
Prompt 2
Show me how to add a custom tile layer, like satellite imagery, to a Leaflet map.
Prompt 3
Explain how to use a Leaflet plugin to add heat map visualization to my app.
Prompt 4
Walk me through making a Leaflet map show real-time location tracking for deliveries.

Frequently asked questions

wtf is leaflet?

Leaflet is a lightweight JavaScript library for adding fast, interactive maps with zoom, markers, and layers to any website or app.

What language is leaflet written in?

Mainly JavaScript. The stack also includes JavaScript.

Is leaflet actively maintained?

Dormant — no commits in 2+ years (last push 2016-12-15).

How hard is leaflet to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is leaflet for?

Mainly developer.

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