The following sites are in German (Deutch)

Reportedly, all the page owners speak English so contacting them should be easy for folks not speaking German

 

homeschooling_austria · Häuslicher Unterricht in Österreich

 
http://de.groups.yahoo.com/group/homeschooling_austria/

Die Freilerner!
http://www.diefreilerner.eu/

 

Praxis und Lehrinstitut Lisa Zickler: Homeschooling
http://www.zickler.net/homeschooling.htm

 

Leben ohne Schule in Österreic
http://leben-ohne-schule.jimdo.com/

 

ITdBF
http://jipli.free.fr/oesterreich/