Code index entries tagged: mapping


A command-line tool to better visualize crowded dot density maps.


CartoDB is an open-source platform to map, analyze and build apps with your data in the cloud.


A set of tools for fetching shapefiles from the Census FTP site, then extracting data from them.

Chicago Flu Shots

Web app that shows the location of flu shot clinics in Chicago, using data from the Chicago Department of Public Health, a Google Fusion Table, and the Google Maps API.


Dot-density maps in JavaScript. It’s like englewood but in Javascript with Canvas.

Landline + Stateline

Landline is a JavaScript library that creates SVG maps from GeoJSON. It comes with Stateline, which makes creating responsive U.S. state and county maps easy.


Leaflet is a modern open-source JavaScript library for mobile-friendly interactive maps. It is developed by Vladimir Agafonkin with a team of dedicated contributors.


A simple command-line tool to export MBTiles to an S3 location.

Newsapps boundary service

The Boundary Service is a ready-to-deploy system for aggregating regional boundary data (from shapefiles) and republishing via a RESTful JSON API.


A simple Python wrapper for version three of Google’s geocoder API.

Silent LA

A template for a black base layer about Southern California. Designed for overlaying bright data visualizations. Created with open data.

Simple Map D3

A very simple “choropleth” style map with tooltips with D3. All you need is a GeoJSON of polygons.

Simple Tiles

Simple Tiles is an image generation library for spatial data written in C. At it’s core, it is a thin wrapper on top of OGR for spatial data and Cairo for image generation.

Simple Tiles Streets

Generating all the roads for you since 2012.

Simpler Tiles

Simpler Tiles is a library of ruby bindings for Simple Tiles, a GIS image generation library. It allows you to generate PNG based map images without having to dip into straight C.


StateFace is a font you can use in your web apps when you want tiny state shapes as a design element. It’s designed to be …


TileMill is a modern map design studio powered by open source technology.


Tulip is an application to make building choropleth styled maps easy.

User-Submitted Leaflet Map

A work in progress, combining @courieressig’s “Tabletop to Leaflet” and @mapbox’s “Geo for Google Docs” into a single entity. It’s a responsive mapping tool that …