I18n is a project mainly written in PHP and JAVASCRIPT, it's free.
Drupal Internationalization package (Not up to date, Active development is on drupal.org)
// $Id: README.txt,v 1.18.2.5.2.2 2011/02/19 17:50:42 jareyero Exp $
This is i18n package 7.x, and will work with Drupal 7.x
WARNING: DO READ THE INSTALL FILE AND the ON-LINE HANDBOOK
This is a collection of modules providing multilingual features. These modules will build onto Drupal 7 core features enabling a full multilingual site
Up to date documentation will be kept on-line at http://drupal.org/node/133977
For support, please create a support request for this module's project: http://drupal.org/project/i18n
Support questions by email to the module maintainer will be simply ignored. Use the issue tracker.
==================================================================== Jose A. Reyero, drupal at reyero dot net, http://reyero.net