http://commons.wikimedia.org/wiki/Commons:WikiProject_Templates : Deleting unused and redundant, Merging the same purpose but for different languages, Categorization ([Commons:WikiProject_Templates/Category_scheme]), Sanitize and standardizing templates on a content-based level...
http://commons.wikimedia.org/wiki/Commons:Template_standardization : of design... ("Currently, there are two "template style" templates. {{mbox}}, the general message box for any namespace, and {{cmbox}}, a message box for categories. More specialized versions may be added in the future (like one for talk pages), however, you can use {{mbox}}")
de.wikipedia.org but cool: http://de.wikipedia.org/wiki/Wikipedia:WikiProjekt_Vorlagenauswertung/en : (Codename: Templatetiger) extracts all templates from the database dump. It intends to analyse the variable values contained in the templates and represent them in new ways, apply filters and do other useful stuff... TRANSLATE..