SCARM - Simple Computer Aided Railway Modeller
DataCAD - DataCAD is a computer-aided design and drafting software for 2D and 3D architectural design and drafting
RailModeller - RailModeller is a new application for creating model railroad and slot car layouts.
AutoCAD Arch - Design and document more efficiently with the AutoCAD Architecture toolset, created specifically for architects.
WinTrack - Track planing software
AutoCAD Plant 3D - AutoCAD Plant 3D is a BIM software that lets you create, modify, and manage schematic piping and instrumentation diagrams.