There are three aspects of Projectbook that fall under different usage rights and licensing.
The written text and visual assets of the book is licensed under:
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Anyone is welcome to use the project ideas in this book to build software without any credit needed to Projectbook.
Anyone is free to copy, modify, publish, use, compile, sell, or distribute software containing the code snippets included within the book, either in source code form or as a compiled binary, for any purpose, commercial or non-commercial, and by any means.