There's one for The Netherlands as well -> https://en.treinposities.nl/. Relies on an open API so there's bound to be others. This one is good because it has some live webcam links on the map as well. At least one of the live cams use YouTube as a streaming platform and have active rail nerd communities chatting and answering questions, like https://www.youtube.com/watch?v=1UfHjV-oUmE