Derek Eder

Open Data Web Developer

Derek Eder

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


Founder and Partner at DataMade
An open data web development and consulting company in Chicago

Lead Organizer of Chi Hack Night
Weekly event for building civic technology with open data

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

Email or tweet at me.


Hi, I'm Derek Eder. I'm an entrepreneur, developer and one of the leaders of the civic technology community in Chicago. During the day, I run DataMade, a civic technology company. We build open source technology using data to empower journalists, researchers, governments and advocacy organizations.

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


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.


Maps Mapping open data | 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.

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.