RailModeller - RailModeller is a new application for creating model railroad and slot car layouts.

Regard3D - Regard3D is a free, multiplatform, open-source structure-from-motion application.

AnyRail - AnyRail makes model railroad design so easy, it's fun!

ContextCapture - Acute3D develops breakthrough photogrammetry software solutions to automatically turn photos into photorealistic high resolution 3D models

TrainCad - Freeware Microsoft Windows program for designing model railroad layouts using standard tracks.

RealityCapture - RealityCapture is a software solution which automatically produces high resolution 3D models from photographs or laser-scans.