GTFS Manager is the world's most used web application for maintaining GTFS data.

Transit Alerts publishes your service alerts in Google Maps using GTFS-realtime.

Show your riders the big picture in a zoomable map that updates with your GTFS.

Trillium builds rider-centric websites with responsive designs—for transit only.

Community Transportation Podcast: Information makes public transportation more useful.

In May, I spoke with Scott Bogren of the Community Transportation of America on the CT Podcast.

We discuss how information helps to make public transportation easier-to-use in the 30 minute podcast episode — how open data enables new transportation in multi-modal networks, how it opens doors for transit innovation, and reduces cost.