Umm, this question isn't intended to be negative? I'm exploring a bunch of libraries right now and would like to know what advantages / disadvantages each lib

Umm, this question isn't intended to be negative? I'm exploring a bunch of libraries right now and would like to know what advantages / disadvantages each lib has over one another. It would make all our lives a lot simpler if every new lib comes out with an explanation of its differentiators.