http://www.curriki.org/welcome/

http://www.oercommons.org/

http://www.openculture.com/

Capetown Open Education Declaration: http://www.capetowndeclaration.org/read-the-declaration

Open Copyright Information: http://creativecommons.org/

Open Photos: http://www.flickr.com/creativecommons/

California Open Courses: http://www.ck12.org/student/

http://www.saylor.org/

https://p2pu.org/en/

http://www.oerafrica.org/

http://opencourselibrary.org/

Thinkfinity: http://thinkfinity.org/welcome

http://www.teacherspayteachers.com/

http://mathispower4u.yolasite.com/

Free ebooks- http://www.gutenberg.org/

http://www.sophia.org/

http://betterlesson.com/

http://writersinspire.org/

http://www.nasa.gov/audience/forstudents/k-4/index.html

http://flexmath.com/

http://ineedapencil.ck12.org/

http://braingenie.ck12.org/

https://www.coursera.org/

iTunes U: http://www.apple.com/apps/itunes-u/