Translations-da-hook is a project mainly written in ..., it's free.
Danish translation for Liferay
Until the first version of the Danish translation file gets merged, two changes needs to be made to Liferay in order to use this hook.
First, you need to add da_DK to the locales property in your portal-ext.properties. For example:
locales=en_GB,fr_FR,da_DK
Optionally, you should define a Danish I18n servlet mapping, somewhere Liferay's web.xml file: