Mapnificent [0] seems to do something similar and I had some fun playing around with it for my city. It doesn't seem to go into as much detail as Mapzen and doe

Mapnificent [0] seems to do something similar and I had some fun playing around with it for my city. It doesn't seem to go into as much detail as Mapzen and doesn't have an API, but it's open source. [0] https://www.mapnificent.net https://www.mapnificent.net