For their new book The Invincible Company, Strategyzer has been developing a new tool, called the Business Model Portfolio Map. It gives you a lot of insights in your current business models (in the exploit phase). And also in the future business models (explore).
More information:
https://www.strategyzer.com/blog/business-model-evolution-using-the-portfolio-map
- http://blog.strategyzer.com/posts/2017/8/23/business-model-portfolio-part-1-manage-the-existing-business
- http://blog.strategyzer.com/posts/2017/8/28/business-model-portfolio-part-2-manage-new-business-initiatives
- https://www.strategyzer.com/blog/posts/2017/9/4/business-model-portfolio-part-3-the-business-portfolio-map
Preview of the book The Invincible Company. (PDF)