Licenses we use

License Description

This license lets others distribute, remix, tweak, and build upon your work, even commercially, as long as they credit you for the original creation. This is the most accommodating of licenses offered. Recommended for maximum dissemination and use of licensed materials.


This license allows for redistribution, commercial and non-commercial, as long as it is passed along unchanged and in whole, with credit to you.

Public Domain
When a work is in the public domain, it is free for use by anyone for any purpose without restriction under copyright law. Public domain is the purest form of open/free, since no one owns or controls the material in any way.

Flickr images

We only use images from Flickr with one of the following license types:
  • 4 - Attribution License
  • 6 - Attribution-NoDerivs License
  • 7 - No known copyright restrictions
  • 9 - Public Domain Dedication (CC0)
  • 10 -Public Domain Mark

    We will not use images marked with the following license types:
  • 1 - Attribution-NonCommercial-ShareAlike License
  • 2 - Attribution-NonCommercial License
  • 3 - Attribution-NonCommercial-NoDerivs License
  • 5 - Attribution-ShareAlike License
  • 8 - United States Government Work