GMAO (Great Manga Application Onidzuka)
Great Manga Application Onidzuka is a program I wrote to help with
translating manga. It allows you to mark up areas (text bubbles
usually) on an image (scan of a manga page) and attach translations to
the bubbles. (You need to do the translation yourself.) GMAO will
then take care of laying out the text in the bubbles. It also does
nice stuff like export pages with javascript pop-ups when you mouse
over the bubbles you've defined, or export the image with the text
from the language you wrote, or generate character lists, and so on.