Mapnificent shows you areas you can reach with public transport in a given time. Mapnificent from Stefan Wehrmeyer on Vimeo. Similar to Mapumental here in the UK.
Mapumental is a collaboration between MySociety and 4iP that makes use of all the nation’s bus, train, tram, tube and boat timetables and turns them into a service that’s vastly more powerful than the traditional journey planners. YouTube link. It’s currently in Beta, but you can sign-up for an invite. via Everythingisbrilliant