SCARM - Simple Computer Aided Railway Modeller
RailModeller - RailModeller is a new application for creating model railroad and slot car layouts.
TrainCad - Freeware Microsoft Windows program for designing model railroad layouts using standard tracks.
WinTrack - Track planing software
Empire Express - Empire Express: Model Railroad Design for Mac
WinRail - WinRail is a computer software product for designing and drawing model railway layouts.