Rocrail for Mac is a

free, open-source model train control software

designed to run on macOS. It allows users to control their model railroad layouts digitally, offering features such as :

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Train control:

Setting up routes, controlling train speed and direction, and managing multiple trains simultaneously.
*

Switch control:

Automated switching of points (turnouts) based on train routes.
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Feedback integration:

Connecting to feedback sensors to monitor train positions and prevent collisions.
*

Signal control:

Managing signals based on train locations and routes.
*

Layout design:

Creating a digital representation of your model railroad to plan and simulate operations.
*

Scripting capabilities:

Advanced users can extend Rocrail[SQ]s functionality through scripting.


Essentially, Rocrail provides a comprehensive platform for managing and controlling complex model train layouts, providing a sophisticated level of automation and control often found in more expensive commercial software but completely free and open-source. It requires a separate interface (either a physical control panel or a computer interface) to connect to your model railroad[SQ]s hardware.