Graphic Apps:

Blender Foundation - Blender
Autodesk - 3ds Max
e-on software - Vue
Gimp - The Gimp
Smith Micro Graphics - Poser
Corel - Paint Shop Pro, Corel
Make Human - Character editor
DAZ 3D - Hexagon, DAZ Studio
Caligari - Truespace
Planetside - Terragen
Pandromeda - MojoWorld
PlantStudio - 3D plants creator
Arbaro - 3D tree generator
Paint.NET - Image editor
PD Particles - 2D painting
Inkscape - Vector graphics editor
Wings3D - 3D Modeler
FastStone Image Viewer - Picture viewer
AutoStitch - 2D image stitcher
Adventure Game Studio

Galleries & Forums:

BlenderArtists - English Blender Comunity
BlenderNation - Fresh Blender News, Every Day
Blender Art Magazine - Free Art Magazine
3D Total - CG Artist's Homepage
CGTalk - Top Art Comunity
CGArena - Art Forum & Magazine
Renderosity - Large Art Comunity
Gallery of 3D - Online 3D Gallery
Digital Artworks - Digital Art Gallery and Awards
DAZ 3D - 3D Store
RuntimeDNA - 3D Store
Content Paradise - 3D Store
3D Commune - 3D Art Forum
Cornucopia3D - Vue Store


Friends (alphabetically):

BlenderSolutions - Jean Montambeault
Crazy Over Animals - Wendy Eld
Christina's Place - Christina Bartsch
Darthmagus - Philippe Bullot
Gallery at Renderosity - Walther Beck
Incredibly Lush - Linda Daireaux
Le Trois Elles - Linda & Francois Daireaux Gallery
Terre(in)connue - Yves Maquinay