RawTherapee is a free, cross-platform raw image processing program
GottenGeography
An easy to use geotagging application for the GNOME desktop, which aims to have a very streamlined and intuitive interface that makes it easy to apply geotags to photographs.
Pogisa laulau
darktable is an open source photography workflow application and raw developer
GTumb
gThumb o se tagata matamata ata ma suʻesuʻega mo le GNOME Desktop. O lo'o iai fo'i se meafaigaluega fa'aulufale mai mo le fa'aliliuina o ata mai meapueata.
Pinta
Pinta is a free, open source program for drawing and image editing.
DigiKam
Professional Photo Management with the Power of Open Source
Shotwell
Shotwell is a personal photo manager.
Fa'aputuga Ata
PhotoCollage allows you to create photo collage posters.
Krita
Krita is a FREE and open source painting tool designed for concept artists, illustrators, matte and texture artists, and the VFX industry.
GIMP
GIMP is a cross-platform image editor.