Cambridge in Colour - Tutorials on how to acquire, interpret and process digital photographs.

Exposure Software - Exposure brings the look and feel of film to digital photography. Simulate the warmth and softness of real world film, both color and black and white. Reproduce realistic film grain, and simplify your digital photography workflow.

PhotographyBB - Free magazine in PDF form.

Ronald Parr's FAQ - Ronald Parr's Digital Photography FAQ is probably the most extensive and informative photography FAQ I've ever seen.

Steve's Digicams - This site is a buyer's guide and camera review site, with thorough reviews and ton's of pictures of the item in question. An active forum with helpful people supplement the in-depth articles.

The Digital Journalist - A Multimedia Magazine for Photojournalism in the Digital Age.

The Imaging Resource - A source for the most comprehensive and informative digital camera reviews.