CalTopo – The best online application for backcountry mapping. Premium membership allows you to link your maps to Google Earth Pro.
GaiaGPS – The best mobile app for backcountry mapping. Premium membership allows you to link your maps from CalTopo, as well as layer overlays.
Google Earth Pro – The best desktop application for three-dimensional map visualisation. Now free.
Geolayers 2 – An Adobe After Effects plugin that allows you to animate three-dimensional maps at an amazing film quality.
BC and Alberta Ski Resort Markers – .json file of every ski resort in British Columbia and Alberta.
Whistler Backcountry – .json file of every ski resort line, chairlift, approach, and backcountry line in the Spearhead and Fitzsimmons Ranges.