Language localisation is very simple in website4free cms system. The language variables are maintained in simple excel file in following path.
 
/locale/front-end
and
/locale/admin-end
 
if you want to modify the existing language variable or add new one, you can simple add/modify it under label column
.
You can add extra language by adding extra column with iso_639_1 format. Ex: en,nl, etc..
 
You can access the language variable in template by using label coumn field value
EX: {$lang_search_results_not_found }
 
You can access the language variable in php code by using label coumn field value as define variable 
EX: LANG_SEARCH_RESULTS_NOT_FOUND
 

It will be very easier to develop the new template, if you copy the existing default template provided by website4free system.

Please use the following link to download the default template.

Download sample default template