Don't know, if you already know about this OpenSource humanoid robot:

http://www.nimbro.net/OP/

Seems it was on the kicker competition RoboCup.

Interesting for you would be the license of the Software

https://github.com/NimbRo/nimbro-op-ros

and Hardware

https://github.com/NimbRo/nimbro-op

 

Both are under the BSD 3-clause license.