Derek Eder

Open Data Web Developer

Derek Eder

I work with open data and create open source apps and tools in Chicago.


Owner of DataMade
An open data web development and consulting company in Chicago.

Co-founder of Open City
Group of volunteers that create civic web apps with open data

Leader of Open Gov Hack Night
Weekly event for building civic technology with open data

Email or tweet at me.


Tools Free and open source | more »

Searchable Map Template with Google Fusion Tables

Put your data on a searchable, filterable map. This is a free, open source tool and template powered by Google Fusion Tables.

Google Fusion Tables to HTML Table

Input a Google Fusion Table and output into a searchable and sortable HTML table using jQuery Datatables. Created as a companion to the searchable map template and written in PHP.


Maps Mapping open data | more »

2nd City Zoning

To make Chicago’s zoning code digestible by humans, we took inspiration from one of our favorite games: Sim City 2000. Find out how your building is zoned, learn where to locate your business and explore zoning patterns throughout the city.

Chicago Public School (CPS) Tiers

CPS places every part of the city into one of four socio-economic "tiers" and requires selective schools to reserve the same number of spots for the students from each tier. Find which CPS tier you are in with this tool.


Websites Powered by open data | more »

Chicago Councilmatic

Are you curious about what legislation the Chicago City Council has been passing? Search, browse, subscribe and comment on everything the City Council has done since Jan 1st 2010.

Chicago Lobbyists

An open data, open government, and open source project intended to improve the transparency of interactions between the City of Chicago and lobbyists and their clients.


Talks Public appearances and presentations | more »

Open Gov in Chicago: Changing Government from the Outside In

What's the OpenGov thing all about anyway? In my first ever Pecha Kucha-style talk, I make an attempt to summarize 7 years of Open Government history in 6 minutes and 20 seconds.

Chicago Data Apps Panel Discussion

A panel discussion on open data and apps built with them. Several of our Open City projects were discussed, namely Chicago Lobbyists, Look at Cook and ClearStreets. Hosted by Chicago Tonight's Phil Ponce, featuring Chicago CTO John Tolva, Chad W. Pry and me.


Other projects Fun with new tools!

How are people getting to work in Chicago?

The Census Bureau collects data on how Chicagoans get to work via the American Community Survey. I created some charts to show commuting patterns for Chicago, from the S0801 table: Commuting characteristics by sex.