Udacity has a great comprehensive online course for free:
Canvanizer offers a free and easy interactive Business Model Canvas tool online:
Steve Blank is a master of Customer Discovery, and Startup Weekend has a YouTube playlist of his essential teachings:
Alex Osterwalder, the creator of Business Model & Value Proposition Canvas, offers over 30 canvases, tools and more resources online:
If you have any other resources you would like to recommend, please contact us.