It’s been years since the City of Chicago launched their implementation of Open311, a standard for reading and writing 311 service requests. Here’s an incomplete, idiosyncratic list of apps that are currently using the City of Chicago Open311 API. If you know of one that I don’t have listed here, please let us know!
311 Super Mayor Emanuel: Fixing Chicago’s problems one 311 request at a time. Beyond the obvious fun of an 8-bit mayor that hops over a red porcupine when a service request is submitted, this is a real-time system that refreshes the page as new requests are submitted. Skyline graphic by TJ McKimmey, logo by Angel Kittiyachavalit; most other stuff by Ben Sheldon. Check out the source code on Github.