Customer Journey mapping is a hot topic now days in the CX world, personally I do really like this approach and use it a lot during my daily work.
One good resource to understand modern service design is the book: This is Service Design Thinking
What is even more intresting thart part of the team that was working on the book made also an app to help the design process.
This app is Smaply, a solution that helps the visualization of the customer journey in a nicely designed map ( besides CJM the software has some other features like personas, stakeholder map).
Let a bit use our community power and send me a Twitter message with the tool that you use for creating Customer Journey Maps. This could creat a usefull list for all of us.
Here is my list of tools for visulaizing customer journeys: