CityBike Wien was an short-time rental service in Vienna/Austria
Simple XML API with a list of stations (address & lat/lng), number of free bikes and return boxes
URL: https://dynamisch.citybikewien.at/citybike_xml.php
Terms:
http://dynamisch.citybikewien.at/Terms_of_Use_XML.pdf (en) http://dynamisch.citybikewien.at/Nutzungsbedingungen_XML.pdf (de)