Articles pages: (The articles are just for graphic editing software engineer to accumulate knowledge to design better software for the end customers. They are not well-organized.)
Related knowledge of photo editing software:
An ASP.NET Application to View and Share Photos Online
Edit Almost Anything in a DataGrid
New Picnik Premium Changes the Photo-Editing Landscape
Paint.NET is a Quality Photo Editing App for Windows
Apple unleashes Aperture 2.0; PhotoShop killer?
Room lighting for image editing
How to do Photoshop Scrapbooking
How to Make Digital Pictures Smaller
Guide to Adding a Font to Photoshop