The initial version of the skills matrix was created in 2019 as an attempt to put together all essential product management competencies
Use cases
The skills matrix quickly gained popularity among my co-workers and friends, who started to use it as a framework for self-assessment, hiring and grading systems
Availability
Over the years, the matrix was extended based on feedback and categorized into 9 specializations. It is distributed under a CC BY-SA 4.0 License, so you are free to copy, share and use it for any purpose, even commercially