Religious:
Evangelikale Gemeinde Kagran, My local church, guests welcome sundays at 10:00 AM, take the U1 to Großfeldsiedlung
Jam For Friends, Christian youth community with frequent events
BAO, Biblical schooling
EVAK, Evangelical academy
ByFaith Interactive, Answers to hard questions
CANA, Christian answers for the new age
Political:
SPÖ, Socialist Party Austria
Grüne, Green Party Austria
ÖVP, Conservative (farmers?) Party Austria
KPÖ, Communist Party Austria
Against TCPA, against "Trusted Computing"
EurActiv, News site covering many topics including EU patents discussion
Media:
APA, Austrian Press Agency, Government-Independent News
FM4, Austria's famous alternative Radio Station (live stream can also be found here)
Isohunt, BitTorrent search, for musical pre-purchase listening
Wikipedia, Better than sliced bread (but with a grain of salt)
Del.icio.us, A place to store/share your bookmarks and important links online
Locations:
Flex, Loud music
NightFlys, Cocktails and Jazz
Starbucks, Good coffee