I decided to add the "Fahrplanauskunft" of Deutsche Bahn first.
Please test if it works and post it in this thread or PM me weather "http://www.reiseauskunft.bahn.de/bin/query.exe" works for you or not (Should work in whole germany). Please Post the City/Bundesland from where you are
Adding so many Local would be much work. And I do not have much time
For those who don't have a mobile online flatrate and do not need to get a detailed timetable, Metro might be an option. Unfortunately, for Stuttgart's VVS it only contains S-Bahn, U-Bahn and Nachtbus.
I have problems getting it to run on my diamong using SunX Beta2 (WM6.5). I played around with netCFcfg and installed .Net3.7, but it keeps telling me "Unerwarteter Fehler in Fahrpl... [...] Message text unavailable. Resource file 'Microsoft.VisualBasic resources' not found."