The po4a (PO for anything) project goal is to ease translations (and more interestingly, the maintenance of translations) using gettext tools on areas where they were not expected like documentation.
2017-03-28 - po4a 0.51 released
This release introduces many many bugfixes and some new developments (more details).
2016-06-17 - po4a 0.48 released
This release introduces bugfixes and translation updates.