building automation
http://www.oscat.de/community/
is german and takes care of a 'SPS' (CoDeSys based) open-source libraries for Automation (probalby is PLCopen the international portal?)
(https://www.eclipse.org/4diac/index.php is open source an international)
and
https://www.osadl.org
is the pendant to have an industrial grade operating system for the automation tools.
