Listing the various albums containing photos of the event:

• https://plus.google.com/events/gallery/cuovcrdar2bemvm1kdgo2dudcm4

• https://plus.google.com/photos/+GarrettLeSage/albums/6180189267099676289

  • Licensed under CC-BY-SA 4.0, go Garrett!

  • Garrett will re-publish his photos to Flickr afterwards?

• http://jeff.ecchi.ca/photos/index.php?/category/11

  • CC-BY 4.0, whoo!

• https://www.flickr.com/photos/jakubsteiner/albums/72157657099934902

  • CC BY-SA 2.0

• https://www.flickr.com/groups/guadec2015/

  • Mostly under CC-BY-SA(-NC) or thereabouts, yay!

• https://500px.com/oliverpropst/sets/guadec-2015

  • CC BY-SA 3.0