From a programming persepctive, I could recommend Bartosz Milewski's series https://bartoszmilewski.com/2014/10/28/category-theory-for-programmers-the-preface/

From a programming persepctive, I could recommend Bartosz Milewski's series https://bartoszmilewski.com/2014/10/28/category-theory-for-programmers-the-preface/ https://bartoszmilewski.com/2014/10/28/category-theory-for-p... RydeHeard and Burstall - http://www.cs.man.ac.uk/~david/categories/book/book.pdf http://www.cs.man.ac.uk/~david/categories/book/book.pdf Milewski, Fong, and Spivak's course - http://brendanfong.com/programmingcats.html http://brendanfong.com/programmingcats.html From a mathematical perspective: MacLane, Awodey's book, Conceptual Mathematics by Lawvere and Schanuel.