Liblouis is an open-source braille translator and back-translator.
It features support for computer and literary braille, supports
contracted and uncontracted translation for many, many languages
and has support for hyphenation. New languages can easily be added
through tables that support a rule- or dictionary based approach.
Included are also tools for testing and debugging tables. Liblouis
also supports math braille (Nemeth and Marburg). The formatting of
braille is provided by the companion project liblouisxml.

WWW:   http://code.google.com/p/liblouis/