Watch-Translations is a tool developed by @Urbanecm that allows users to watch translation projects at Translatewiki.net. It emails users once a day (by default) about missing translations in a language of their choice.
@Urbanecm Something like this? (With links.)
You can use WatchTranslations to watch projects on Translatewiki. Wikimedia projects use Translatewiki to translate the wiki interface. You can get an email if there are missing translations to your language.