Agreed! That's a big reason why I've enjoyed working with colleagues on a fully "open" approach to mapping software and data at Mapzen: https://mapzen.com/blog/

Agreed! That's a big reason why I've enjoyed working with colleagues on a fully "open" approach to mapping software and data at Mapzen: https://mapzen.com/blog/our-magna-carto/ https://mapzen.com/blog/our-magna-carto/ We've made much use of: - http://www.openstreetmap.org/ http://www.openstreetmap.org/ - https://openaddresses.io/ https://openaddresses.io/ And founded efforts like: - https://transit.land https://transit.land - https://whosonfirst.mapzen.com/ https://whosonfirst.mapzen.com/ - https://aws.amazon.com/public-datasets/terrain/ https://aws.amazon.com/public-datasets/terrain/