OpenTTD - An open-source clone of the classic game ...
Trainz Simulator - Trainz Simulator is a commercial train simulator from Australia.
Transport Fever - Transport Fever is an Adventure-based, Management, Strategy, Economy, Sandbox, City-Building and Single-player video game developed by Urban Games and published by Gambitious Digital Entertainment.
Open Rails - Open Rails is an open source simulator that is designed to run Microsoft Train Simulator content.
Transport Tycoon Deluxe - Transport Tycoon Deluxe is a Business Simulation developed by Chris Sawyer and published by MicroProse.
BVE trainsim - BVE trainsim is a train simulator based on the point of view of the train operator.