Derek Eder

Open Data Web Developer

Derek Eder

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


Parnter at 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.


Hi, I'm Derek Eder. I've been building websites in Chicago since 2005. During the day, I run DataMade, a civic technology company. We work on projects that make open data, make open source software, and make people more powerful.

Outside of that, I make civic apps with Open City and run the Open Gov Hack Night, Chicago's weekly event to build, share, and learn about civic tech. Read my full bio »

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.


Talks Public appearances and presentations | more »

When Technology and Policy Work Together: Large Lots in Chicago

Demond Drummer and Derek Eder share the story of how community organizers, technologists, and the City of Chicago collaborated to roll out a new program to give local residents ownership of vacant land in their neighborhood and incentivize neighborhood-level investment.

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.