PVS-Studio: analyzing ReactOS's code
viva64.com
viva64.com
While both suggestions made by the author of the article are undoubtedly a good thing. They would have been more a lot of work to get setup and all the developers to agree on. The project is rarely used or tested by actual users since the operating system itself is so primitive compared to other modern operating systems.
It is easier to think of the developers of ReactOS has lone hackers independently working on their own personal itch and the ReactOS codebase just happens to provide the perfect playground. We all had our own goals and we rarely if ever got in the way or even worked with other contributors.