In one sentence...

Lingua::Translit is a Perl module that fulfills the task of transliterating natural language text from one writing system to another based on a variety of standards.

Lingua::Translit

Overview
Online Transliteration
Supported Standards
License
Download
Support
News
Newsfeed
...on CPAN

Documentation

Developer Manual
Lingua::Translit(3)
Lingua::Translit::Tables(3)
translit(1)

License

Lingua::Translit is both open source and free software, covered by two OSI approved open source licenses, from which you are free to chose the one that serves your usage best:

GNU General Public License (GPL) Version 2 or
Artistic License 2.0

Lingua::Translit is free software. It may be used, redistributed
and/or modified under the terms of either the GPL v2 or the
Artistic license.

Copyright

Copyright (©) 2008 Alex Linke and Rona Linke
Copyright (©) 2009 - 2010 Lingua-Systems Software GmbH