SXC.HU Free Stock Photos
www.sxc.hu This website has a huge selection of yummily good stock photographs. You must register to download them.
Inkscape- challenging commercial 2D vector graphics!
Inkscape - Inkscape is a free open source 2D vector drawing program. It is similar to Illustrator, Coreldraw and Freehand.
It saves in SVG format which is web-friendly.
It can also output graphics as bitmaps, making it compatible with GIMP.
GIMP- Replace Photoshop now
GIMP - Opensource 2D image editor comparable to the best commercial counterparts. Gimp have almost all the functionality of PhotoShop and Corel Photopaint. Gimp comes preloaded with tons of tileable textures-making capabilities making it ideal for making maps. A must have!! However, unlike PhotoShop and Corel PhotoPaint, it does not have CMYK capabilities, making it unsuitable for final output to print.
However, for general editing and producing graphics for the web, it is excellent. The compression quality for JPEG that comes with GIMP, in my opinion, is superior to Photoshop's. GIMP can produce good quality images with small file sizes.
The following site is build using GIMP graphics
http://www.dreamdatum.com
Blender 3D- Take on Commercial 3D programs!

Blender - Is the best free opensource 3D suite in the world.
It is a very powerful modeller and animation program with functionalities comparable to that of high-end commercial programs.
Features list of this amazing FREE program include:
- Advance material creation
- NURBS Modelling
- Subdivision modelling
- UV mapping
- Volumetric lighting
- Lens flare
- Environmental mapping
- Ray Tracing
- Radiosity
- Keyframe animation
- Inverse Kinetics
- Character Animation Rigging
- Particle animation
- Physic detection and collision system
- Built-in post production suite
- Python scripting
- 3D Game Creation