Thomas Cook European rail timetable: A key volume for all rail travellers in Europe. Updated monthly it is the most comprehensive source of railway information for Europe.

Rail fare calculator: this site is a superb tool for working out the standard train fare from X to Y.

Nicely eccentric and impressively detailed site with a focus on how to travel by train.

Railways of Europe: Conceived with train buffs in mind, but actually a hugely valuable resource for the ordinary traveller.

Checking train services across Europe: Deutsche Bahn timetables