Ubuntu logo.This user contributes using Ubuntu 14.04.
Archlinux-icon-crystal-64.svgThis user contributes using Arch Linux.
C-5This user is a professional C programmer.
PHP-5This user is a professional PHP programmer.
PerlThis user is just another Perl hacker.
bash-4This user is an expert Bash programmer.
js-2This user is an intermediate JavaScript programmer.
deDieser Benutzer spricht Deutsch als Muttersprache.
en-4This user can contribute with a near-native level of English.
es-1Este usuario puede contribuir con un nivel básico de español.
fr-1Cet utilisateur peut contribuer avec un niveau élémentaire de français.

I have used Wikipedia a lot. It is now time for me to give back by adding or correcting content.

My other presence: http://eklausmeier.wordpress.com/