Software to conveniently control & fully automate large Marklin CS2/CS3 digital layouts using your computer / keyboard. Designed for users with many trains and accessories where two knobs just aren't enough. Includes an extensive GUI and Java / Python APIs, with full DCC support.

An open source 21-Pin DCC Decoder for model trains

Control and monitor EX-CommandStation from your Home Assistant instance.

WebSocket client for JMRI with real-time throttle control, auto-reconnection, and browser/Node.js support

An open-source project that provides Python access to the Lionel's LionChief line of trains

Measure model train speed & length using two IR sensors and a Roco/Fleischmann Z21. Free Windows desktop app with live chart, Excel export, and EN/DE UI.

Free model railroad DCC bus wire gauge and feeder spacing calculator. Estimates voltage drop for N, HO, O, and G scale layouts before you solder track.

Website for Team Zwitserleven (model train team)

A replacement set of hardware and firmware for the Analogue GaugeMaster Train Controller.

Arduino code to control a model railroad layout using a PS/2 touchpad.

Replacement Hardware for a Gauge Master Train Driver

Vue 3 web interface for controlling model railroad layouts via JMRI's WebSocket API