Whyro is an open source home automation platform released under the 2-clause BSD license.
Tell me, what is whyro about?
The project goal pretty much summarize it:
The goal of the whyro project is to develop a modular and adaptable, platform independent solution for processing sensor data and interact with actuators in and around the home.
But I still don’t get it?
Then you should head on to the introduction article found in the documentations for a more thoroughly description.
… okay, and who are working on it?
Developers and contributors are listed in the wiki pages.
