Language is a support library for other langauge libraries. While some of it's contents are prefectly usable on there own, most are generally intended to be subclassed and extended by specific language modules, such as English.
require 'language' "How many words?".words #=> ['How', 'many', 'words']
The usual Rubygems way:
$ gem install language
Copyright © 2010 Thomas Sawyer
English is distributed under the terms of the MIT license.
See LICENCE for details.
Some libraries are subtantial derivatives of other persons work. Fully copyright and licensing information is given for those in the corresponding source files.