TRAX - Trax is a free web-based tool for planning your model railroad
SCARM - Simple Computer Aided Railway Modeller
WinTrack - Track planing software
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.
TensorFlow - TensorFlow is an open-source machine learning framework designed and published by Google. It tracks data flow graphs over time. Nodes in the data flow graphs represent machine learning algorithms. Read more about TensorFlow.