Origem: http://abntex.codigolivre.org.br/
Para não se preocupar com a formtação abnt, basta instalar o pacote abntex e pronto!

Para Linux:
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Faça o Download: http://abntex.codigolivre.org.br/node6.html#download do
pacote abntex-0.9-beta.noarch.rpm

# rpm -ivh abntex-0.9-beta.noarch.rpm
A preparar... ########################################### [100%]
1:abntex ########################################### [100%]