Code

Binify

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

• command line, hexagonal binning, Python, mapping, dot density maps

CartoDB

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

• Vizzuality
• Mapnik, Varnish, Ruby, mapping, data analysis, data visualization, NodeJS, Redis, PostGIS, PostgreSQL, Windshaft-cartodb

census-shapefile-utils

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

• Census Reporter
• Python, mapping, shapefiles, census

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.

• mapping, JavaScript

englewood.js

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

• dot density maps, mapping, JavaScript

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.

• ProPublica
• mapping, SVG, svg, GeoJSON

Leaflet

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.

• mapping, mobile, JavaScript

Leaftlet.draw

• drawing, mapping, LeafletJS

mbtiles2s3

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

• MinnPost
• mapping, S3, MBTiles

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.

• The Chicago Tribune
• mapping, Django, shapefile, data

python-googlegeocoder

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

• The Los Angeles Times
• geocoding, Python, mapping

Silent LA

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

• The Los Angeles Times
• Mapnik, TileMill, mapping

Simple Map D3

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

• MinnPost
• choropleth, mapping, D3.js, GeoJSON

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.

• ProPublica
• Simple Tiles, mapping

Simple Tiles Streets

Generating all the roads for you since 2012.

• ProPublica
• Simple Tiles, mapping

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.

• ProPublica
• Simple Tiles, Ruby, mapping

StateFace

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 …

• ProPublica
• mapping, font

TileMill

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

• TileMill, mapping, MapBox

Tulip

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

• MinnPost
• Simple Map D3, choropleth, mapping, D3.js

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 …

• St. Cloud Times
• geocoding, Tabletop, mapping, Leaflet, Google Docs, Foundation, ugc