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.
Darktable
darktable is an open source photography workflow application and raw developer
Ghumb
gThumb é um visualizador de imagens e navegador para a área de trabalho do GNOME. Também inclui uma ferramenta de importação para transferir fotos de câmeras.
Superfície
Pinta is a free, open source program for drawing and image editing.
DigiKamGenericName
Professional Photo Management with the Power of Open Source
Shotwell
Shotwell is a personal photo manager.
Colagem de fotos
PhotoCollage allows you to create photo collage posters.
Giz
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.