[longbilly]

This one is my favourite, its not great for everything but most of the time it provides a solid road map to learning something new.

https://learn-anything.xyz/

[ccooffee]

"How to make great pancakes" sadly is not one of the anything to be learned.

From poking around, this site seems to be a pointer-to-resources, rather than a road map of learning. While very useful, it seems like a tactical resource, rather than GPs strategic resources.