There's a wealth of photography information on the Internet, so much so that it can be hard to sift through to find the good stuff.
https://lenscraft.co.uk/
Good tutorial videos and other material, free eBooks & tutorials
http://photoserge.com/
Serge Rameli. Engaging video tutorials, sells more in-depth DVD based content & workshops
http://www.andrewsgibson.com/blog/
Andrew Gibson. Congenial email list & some great eBooks
http://froknowsphoto.com/
Jared Polin. More on the commercial side, but some good basic no nonsense advice, lots of Youtube videos
http://creativeraw.com/
Chris O'Donnell. Good eBooks, interesting style
http://theartofphotography.tv/
Non technical podcast on the artistic side of photography. Great resource if you know you're f-stops from your ISOs & are fed up of retreading the same info on the internet
http://www.throughstrangelenses.com/
Jimmy McIntyre. Tutorials & Luminosity Mask information & Photoshop Plugin