Göran Uddeborg writes:
- Emacs' po-mode.
- gtranslator <
http://www.gtranslator.org>
- KBabel <
http://i18n.kde.org/tools/kbabel/>
- poEdit <
http://poedit.sourceforge.net/>
The first to comes with the distribution.
Sorry, not the first two, the first and third (po-mode and KBabel).