PAYWARE:

S-Bahn Rhein-Main: https://store.steampowered.com/app/774754/Train_Simulator_Frankfurt_SBahn_Rhein_Main_Route_AddOn/?l=german
AP Wetter: https://www.armstrongpowerhouse.com/sky_weather_enhancement_pack


FREEWARE:

RWA BR423 "GRÜN Erfahren":https://rail-sim.de/forum/filebase/entry/8885-jtf-rwa423-s-bahn-rhein-main-gr%C3%BCnerfahren-vollwerbung-cab-mod/