SCARM - Simple Computer Aided Railway Modeller
TinyWall - Lightweight and non-intrusive firewall
TrainCad - Freeware Microsoft Windows program for designing model railroad layouts using standard tracks.
GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...
AnyRail - AnyRail makes model railroad design so easy, it's fun!
Windows Firewall Control - Windows Firewall Control is not the built in firewall system in the Windows operating systems.