MapBox - Open Source Tools for Creating Custom Maps
MapBox is a suite of open source tools to create beautiful custom maps in Amazon’s cloud. MapBox provides a suite of open source tools and services for creating and using custom maps in the cloud. MapBox’s TileMill toolkit is a fully configured open source tile rendering engine that can be used to create custom maps using any data set, whether your private data or freely available public sources.
MapBox.com also makes large public data sets available for easy access and use. Combining TileMill and these data sets together, MapBox provides the framework that we use to make some of the most beautiful custom maps in the world.
Requirements: -
Demo: http://mapbox.com/
License: License Free