Gimp

http://www.gimp.org

GIMP is the GNU Image Manipulation Program.It is a freely distributed piece of software for such tasks as photo retouching,image composition and image authoring.It works on many operating systems, in many languages.

Liens utiles :

meetthegimp.org

gimp-savvy.com

www.gimpusers.de

InkScape

http://www.inkscape.org/

An Open Source vector graphics editor, with capabilities similar to Illustrator, CorelDraw, or Xara X, using the W3C standard Scalable Vector Graphics (SVG) file format.

Liens utiles : screencasters.heathenx.org/microsodes

Dia

http://live.gnome.org/Dia

Dia is roughly inspired by the commercial Windows program 'Visio', though more geared towards informal diagrams for casual use. It can be used to draw many different kinds of diagrams. It currently has special objects to help draw entity relationship diagrams, UML diagrams, flowcharts, network diagrams, and many other diagrams. It is also possible to add support for new shapes by writing simple XML files, using a subset of SVG to draw the shape.

XnView

http://www.xnview.com/fr/xnview.html

XnView est un visualiseur, browser & convertisseur multimédia performant.

Faststone image viewer

http://www.faststone.org/FSViewerDetail.htm

FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.