Here you can find information about nearly everything what is going on in Vienna including news, gastronomy, medical services, ...: http://www.viennainfo.at/

You don't know what to do and don't want to spend lots of money? Than this is the website to visit: http://www.vienna4free.net/
 
Even though the websites are in German, here you find lots of tipps what to do, trends and coupons for places to see in Vienna and Austria: https://www.1000things.at/, http://goodnight.at/