All things technical about photography
Cambridge in Colour – technical aspects of photography at all levels
Photo Start Sheet – a directory of all things photographic
DP Review – camera reviews and much more
Ephotozine – web based photo magazine and galleries
Luminous Landscape – great site for all things technical, advice and tutorials
Computer Darkroom – Ian Lyons of the PAGB with photoshop tutorials, reviews etc
Fred Miranda News, views and photoshop actions
Photoshop
MSJ Photography – Photoshop tutorials and tips
Links to articles about making composite images
How to Mask Hair Using Photoshop’s New “Select and Mask” Feature
Julianne Kost on select and mask with Photoshop CC
How to tone with adjustment layers in Photoshop
Creating perfect shadows in Photoshop
Add fog or mist to your images
Timelapse
GIMP
Create a photomontage with GIMP