Some more links:

http://www.engineergirl.org/

http://www.techneedsgirls.org/

http://www.techgirlz.org/

http://www.stemettes.org/

http://www.dotdiva.org/

http://learninglabs.org/members/girls-learning-code/

http://www.girldevelopit.com/

And I'm sure there are lots of great entrepreneurial minds here who are building similar solutions too.