Links to things I really should find time to check out :
http://mapsurfernet.com/demo/gallery
MapSurfer.NET is a free, modern and advanced framework for producing a cartographic product of a high quality. This full featured framework offers a rich set of tools and techniques to automate various cartographic tasks. MapSurfer.NET is designed to be fast and flexible for being used both in desktop and web applications.
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http://openrouteservice.org/
Open least cost paths (car, public transport, walking etc)
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https://datahub.io/dataset/open-flights
(Flight data, and airport details)
