Here you find useful links for traveling by glider in Europe. Please send further suggestions to contact:
General airspace data, airport information and NOTAMs:
Smartphone-App Skydemon >>> Can be bought for just one month, which includes all current maps (and Notams). Gives you also a PDF of the airport with all taxiways and runways on the ground.
Webbased AUP: milais.org (PDF download is possible)
NOTAMs (shows map with all NOTAMs on route after free registration)