Awesome Links

Community

Pixls.us - pixls.us

Applications

Darktable install - darktable.org
Darktable manual - darktable.org

GIMP - gimp.org
GIMP manual - docs.gimp.org
Compile the GIMP - gimp.org/source
GIMP-edge PPA - launchpad.net/~otto-kesselgulasch

Hugin install - hugin.sourceforge.net
Hugin manual - wiki.panotools.org/Hugin
Hugin tutorials - hugin.sourceforge.net/tutorials

Inkscape install - inkscape.org
Inkscape manual - en.flossmanuals.net/inkscape

Reference and Utility

Blend modes explained - en.wikipedia.org/wiki/Blend_modes
Lab tested camera + lens combinations - dxomark.com
Magic Lantern - magiclantern.fm

Training

Riley Brandt - The Open Source Photography Course
Kelby One - kelbyone.com
Landscape astrophotography by Roger N. Clark - clarkvision.com
Astrophotography Tutorials - lonelyspeck.com

Inspiration

500px - 500px.com
1x - 1x.com
72dpi - 72dpi.com/top-rated
Daniel Kordan - danielkordan.com

Friends

Charles Wood - cdwood.zenfolio.com
Mary Goodrich - marygoodrich.com
GP Merfeld - gpmerfeld.com
Ken Boyer - kenboyerphotography.com