| | Cadrail Railroad Layout Design Software - Track layout including buildings and scenery with 3D views. Sample layouts and demo available for download. |
| | CATrain - Simulate and control layouts. Controllers for sale, layouts for download and discussion board. |
| | Computer Assisted Layout Operating System - Open source project to develop a program which will assist in operating tasks in your layout. |
| | Digrail - Control locomotives, signals and turnouts on Marklin digital layouts. Beta version available for download. |
| | Evan Designs - Graphics software to print signs, windows, stained glass and billboard ads. |
| | Guardian - Windows based controller for Märklin interface. Demo for download. |
| | JMRI: A Java Model Railroad Interface - Open source project to help controlling layouts from a computer. Panel creation, decoder programming and Loco-net tools. |
| | Quaker Valley Software - Print car cards and waybills for operations. Demo and upgrades for download. |
| | RailModeller - Shareware trackplanning program for MacOS. Includes editor to customize libraries of track and accessories. |
| | Raily for Windows - 3D layout software including baseboard. Demo and track modules available for download. |
| | RocRail - Open Source application for Märklin 6050, Intellibox p50x and DDL SRCP. Windows and Linux. |
| | RR-Track - Graphical track layout for Windows. Demos, sample layouts and free 3D viewer for download. Track libraries for several gauges and system available. |
| | Sillub Technology - XTrkCad, open source track planning for Windows and Linux. |
| | Stan's Trains - Pictures gallery and information about layout and desk diagram. Also provides free software for railroaders modeling. |
| | Templot - Generates track construction templates for turnouts, crossovers, diamond-crossings and plain track lengths. Tutorials and user forum. |
| | The Conductor - Developers of Classic Panel, Loco Ce, Layout Commander and Computer Dispatcher for Lenz, Digitrax, NCE, Easy DCC and other command stations. |
| | TrackMyTrains.com - Commercial web-based inventory system with custom reports and data downloads. Free demonstrations. |
| | Trackplanning.com - Track planning and related CAD software 3D Plan-it. Sample layouts and demo version available for download. |
| | TrainPlayer Software - Operate trains on published track plans, including Linn Westcott's "101 Track Plans". Demo for download. Also layout design software. |
| | WinRail - Layout software with demo and track libraries available for download. |