Inkscape -A Drawing program.
Infranview - An image viewer.
PhotoFiltre - Open-source image editing.
The Gimp - Open-source image editing.
Gimpshop - A Photoshop Clone.
Paint.net - Open-source image editing.
Terragen - a scenery generator
Blender - 3D content creation suite.
IconFx - Icon creation program.
Shrink Pic - Will shrink photos. Useful for e-mailing pictures
Useful Free Websites

Photoshop Express - Online version of Photoshop
Paint.net - Online photo finishing
WebPagePublicity - Free Fonts
FreeFoto - Free photographs
Photo-Freeware.net - Photography specific freeware site.









Graphics
SimplyFreeware.ca
Disclaimer: I do not endorse any software that is listed here so you download and use them at you own risk.
Programs highlighted in RED are ones that I use on a regular basis.