* Twitter: [https://twitter.com/stratum0 @stratum0]
* Google+: [https://plus.google.com/b/101611433003082682002/101611433003082682002/posts Stratum0 e.V.]
* Soup.io: [http://stratum0.soup.io stratum0]
* [[Mumble]] (manchmal)
* Twitter: [https://twitter.com/stratum0 @stratum0]
* Google+: [https://plus.google.com/b/101611433003082682002/101611433003082682002/posts Stratum0 e.V.]
* Soup.io: [http://stratum0.soup.io stratum0]
* [[Mumble]] (manchmal)