Simple Computer Aided Railway Modeller


Get your SCARM License Key


Extend the functionality according to your needs

SCARM can be expanded with various free or paid extension modules in order to get new functions and features. See the list of available modules below and review the supplied information to know more in order to select and download the desired extensions.

How to install the license and extension modules?

The free add-on modules can be downloaded and used instantly (no account required), while the license key and the paid modules must be purchased prior to downloading and activating (account registration is required). To register a new user account, to login or to view your already existing account, click on the appropriate link:

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Sign in into your account

Please note that all module downloads must be initiated from SCARM in order to be properly registered and activated in the system. Use "Extensions" > "Browse for Extensions" menu command within SCARM to open the Extensions page. After that you will be able to get the free modules or to login into your account and then download and install the already purchased commercial modules.

Extension modules and licenses for SCARM  

SCARM License Key  44.90 USD 

Get your SCARM License Key to unlock the full potential of the most successful software for model trains track planning and layout design. Take advantage from the unlimited number of tracks, objects and layers in a project, advanced 3D graphics, full-size (1:1) printouts with a single click, new automatic features, etc. See more

Model Trains Simulator – Starter Edition  Freeware

Intended for fast and easy 2D and 3D simulations of running trains on the track plan in order to get idea about how the rolling stock will be operated on the real layout. The free version is equipped with Basic Train Controller and is bundled with a Demo Start Set containing one locomotive and 10 cars. Get it

Model Trains Simulator – Power Edition  29.90 USD 

Intended for advanced 2D and 3D simulations of running trains on the track plan in order to get idea about how the rolling stock will be operated on more complex layouts. This version is equipped with the Power Train Controller which can work with up to 5 locomotives and 50 cars per simulation session and provides access to the Virtual Rolling Stock database containing various models of European and North American trains. See more

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