It seems like in my daily life I use only three knots and then very rarely I use a couple more. My guess is most people spend all their life on <5 knots. It's a pretty fascinating topic and I like this resource. I use one knot that my life depends on (double 8 for climbing, weekly), the "normal" (double) knot for shoe laces (often) and the small knot for ties (thankfully, not so often). every now and then I go fishing and have to look up some extra knots :P

I'd be interested in recommendations for better shoe-binding knots (other than the old TED talk advice of doing it in reverse).

As an aside...my brain is really bad at doing knots. I have an old book and it's almost impossible for me to work from graphics+text only.