I think the point is that most of the time when you think "I need something that does x", there is a library for that; whether it is a core library or not. In L

I think the point is that most of the time when you think "I need something that does x", there is a library for that; whether it is a core library or not. In Lisp I guess you often find something very specific that doesn't quite solve the problem you have. Having said that, I really liked the Google Guava library, although a good bit of that stuff is working around or solving problems with Java itself. https://code.google.com/p/guava-libraries/ https://code.google.com/p/guava-libraries/