Launchpad currently recommends translating indicator-messages in Ubuntu Artful.

Template "indicator-messages" in Ubuntu Artful package "indicator-messages"

Language Status Untranslated Need review Changed Last Edited By
Cherokee 100.00  100.0% untranslated 10 10 0 0
Dakota 100.00  100.0% untranslated 10 10 0 0
Hawaiian 100.00  100.0% untranslated 10 10 0 0
Inuktitut 100.00  100.0% untranslated 10 10 0 0
Lakota 100.00  100.0% untranslated 10 10 0 0
Ojibwe 100.00  100.0% untranslated 10 10 0 0
Spanish 000.00  100.0% translated 0 0 0 2014-10-09 20:53:34 UTC 2014-10-09 Jose Luis Tirado
Tlingit 100.00  100.0% untranslated 10 10 0 0
Yiddish 100.00  100.0% untranslated 10 10 0 0
[ Change your preferred languages... View template & all languages... ]
Key to this table: “Unchanged” means Translated
and “untranslated” means just that, Untranslated

Other versions of indicator-messages in Ubuntu