The Objective-C Foundation Classes is an Objective-C
library. It contains general purpose classes for easier
development of applications, in areas such as data types,
collections, network, C library wrappers, and compound
The Forth Foundation Library is a Forth library.
It gives you a collection of words written in
(ANS) forth which are useful in areas such as data
types, collections, interfaces, development
support, and compound modules.