This library is the official Ruby gem that enables Ruby applications to interface with GSA Auctions, a government site that auctions out Federal personal property assets. The GSA Auction API can be used to programmatically retrieve all corresponding data fields for each online listing.
Chicago commuters just got a new resource that may lead to more helpful mashups: the Chicago Transit Authority Bus Tracker API. As recently announced, the API provides capability for developers to get bus routes and schedules, bus stop and arrival predictions, and more. Note that the API is not affiliated with the Chicago Transit Authority (CTA); rather, it was developed and is maintained by Harper Reed, who says the CTA has been "amazingly cool with all of this." In announcing the API, Harper wrote: