Software

Sillub Technology - XTrkCad, open source track planning for Windows and Linux.
http://ca.geocities.com/sillub@rogers.com/sillubtech/

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

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/

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

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

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

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/

CATrain - Simulate and control layouts. Controllers for sale, layouts for download and discussion board.
http://membres.lycos.fr/catrain/readenglish.html

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

Miniware Model Railroad Software and Hardware - Control software and hardware for digital.
http://www.miniware.nl/en/main/index.html

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

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

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/

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

AnyRail Model Railway Design - Track planning shareware for Windows. Predefined libraries for different track systems.
http://www.anyrail.com/index_en.html

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

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

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

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

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

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/

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