OffiGIMP is an iPhone and iPad app to edit and create photos and images. It uses the GIMP provided by OffiDocs, and it is available in the Apple iTunes Store:
OffiInk is an iPhone and iPad app to edit vector graphics that includes the InkScape desktop app. It uses the Inkscape provided by OffiDocs, and it is available in the Apple iTunes Store:
OffiDraw is an iPhone and iPad drawing tool that helps to create graphics. It uses the Office Draw application provided by OffiDocs, and it is available in the Apple iTunes Store: