Automatic Train Control
   Control locomotive remotely on a home layout with audio and video streaming. Some videos for download.
   http://atc.lovethosetrains.com

Cadrail Railroad Layout Design Software
   Track layout including buildings and scenery with 3D views. Sample layouts and demo available for download.
   http://www.sandiasoftware.com/

Computer Assisted Layout Operating System
   Open source project to develop a program which will assist in operating tasks in your layout.
   http://sourceforge.net/projects/calos/

Deepwods Software's Model Railroad System
   Free software to run your layout, forward freight and create employee timetables.
   http://www.deepsoft.com/MRRSystem/

Digrail
   Control locomotives, signals and turnouts on Marklin digital layouts. Beta version available for download.
   http://www.digrail.btinternet.co.uk/

Evan Designs
   Graphics software to print signs, windows, stained glass and billboard ads.
   http://www.modeltrainsoftware.com

Guardian
   Windows based controller for Märklin interface. Demo for download.
   http://guardian.meegle.eu/

JMRI: A Java Model Railroad Interface
   Open source project to help controlling layouts from a computer. Panel creation, decoder programming and Loco-net tools.
   http://jmri.sourceforge.net/

Quaker Valley Software
   Print car cards and waybills for operations. Demo and upgrades for download.
   http://www.quaker-valley.com/qvsoftw.html

RR-Track
   Graphical track layout for Windows. Demos, sample layouts and free 3D viewer for download. Track libraries for several gauges and system available.
   http://www.rrtrack.com/

RailModeller
   Shareware trackplanning program for MacOS. Includes editor to customize libraries of track and accessories.
   http://www.railmodeller.de/

Raily for Windows
   3D layout software including baseboard. Demo and track modules available for download.
   http://www.enigon.com/products/raily/english/indexhtml.htm

Stan's Trains
   Pictures gallery and information about layout and desk diagram. Also provides free software for railroaders modeling.
   http://www.stanstrains.com/

Templot
   Generates track construction templates for turnouts, crossovers, diamond-crossings and plain track lengths. Tutorials and user forum.
   http://www.templot.com/

The Conductor
   Developers of Classic Panel, Loco Ce, Layout Commander and Computer Dispatcher for Lenz, Digitrax, NCE, Easy DCC and other command stations.
   http://www.trainpriority.com

TrackMyTrains.com
   Commercial web-based inventory system with custom reports and data downloads. Free demonstrations.
   http://www.trackmytrains.com/

Trackplanning.com
   Track planning and related CAD software 3D Plan-it. Sample layouts and demo version available for download.
   http://www.trackplanning.com

TrainPlayer Software
   Operate trains on published track plans, including Linn Westcott's "101 Track Plans". Demo for download. Also layout design software.
   http://www.trainplayer.com

WinRail
   Layout software with demo and track libraries available for download.
   http://www.winrail.com

Yard Office Inventory Model Railroad Software
   Shareware system for inventory and printing lists of locomotives and rolling stock. Demo for download.
   http://www.musicmixradio.com/yardoffice/