There are some of my resources or activities you may be interested in. Have a look at the following links.
One of my central points of communication, news and informations. Follow for the stuff i come along.
Open Source battlefield. Try to keep it as active as possible.
I blog i started once as a technical notebook. May be worth a look.
My preferred social community, moved from facebook over there. Like that circle-thingy :)
I started a tumblr for all the tiny things a would like to capture for me and others.
My first blog, some articles are quite old and partially written in german.