Comment by OkayPhysicist

The weird mini rabbit hole of Cheat Engine's "source (somewhat) available" status is pretty interesting one. The issue linked in this article has been deleted, but thankfully was picked up by the wayback machine, where it appears the owner of the project doesn't really know what they want with regards to how other people can actually use their code (not to mention the fact that the project is definitely violating their dependencies' GPLs.