A name is just a simple reference to a system composed of interrelated and essential OS components: Kernel, windowing system, networking tools, virtual memory, user interfaces, the list goes on…
Yes GNU is an essential suite of tools but so is X (or Wayland) and many other unnamed yet critical subsystems.
Now GPL licensing on the other hand, THAT is a foundational precept to FOSS that deserves sole credit back to a single project.
Migrate to Calibre and use Calibre Virtual Libraries. However based on the comments I’m reading, it looks like you want something that is not application based. Good luck with that.