EDDI Bike

https://eddibike.com/

educom

https://www.educom.at

EF-Education First

http://www.ef.co.at/

ESN International

http://esn.org/

Flixbus

http://www.flixbus.at

Hostelling International

10% discount in over 4.000 hostels worldwide

Innes - Language Schools

http://www.innesvienna.net/

Ryanair

15% off flights, free 20kg checked-in bag

STUWO

https://www.stuwo.at/en/

Unistarter

https://www.unistarter.at/shop-en/