Simple-inflection is a project mainly written in ..., it's free.
Just a simple inflection API for Javascript
A very simple inflection API for Javascript.
See spec/simple_inflection_spec.js for examples of usage.
This is released under the MIT license - and it is derived from the inflection-js Javascript inflection support (http://code.google.com/p/inflection-js/) developed by Ryan Schuft (http://code.google.com/u/ryan.schuft/).