Altexploit
AltExploit is a website that discusses Category Theory with depth and rich references. For some reason, the website explicitly shows the following diagram probably intending to emphasize the notion of compositionality in Category Theory.
A Diagram of the Politics of Composition
Category Theory as Structuralist
[https://altexploit.wordpress.com/2017/04/06/category-theory-as-structuralist-part-metaphysic-part-mathematic-1/ Category Theory as Structuralist. Part Metaphysic, Part Mathematic. (1)]