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The Model Railroad System Software package is available FREE of charge.

The current version of the software package is 2.2.1, dated May 29, 2023.

• Update for new Darwin (MacOSX) build infrastructure and restored MacOSX build infrasturure to configure.ac
• Cleanup build infrastructure:
  • Fix autotools warnings/errors,
  • Renamed configure.in to configure.ac,
  • Renamed INCLUDES to AM_CPPFLAGS in C++/*/Makefile.am
• Updated LCC code:
  • Layout Control Database features,
  • Event search in CDI improvements,
  • LayoutDB <=> JMRITable,
  • Add Copy/Paste buttons to CDI strings,
  • All LCC Memory Leaks pluged,
  • OfflineLCCNodeEditor
• Complete Linux Gpio test programs
• Dispatcher fixes:
  • Add in Graphviz graph layout,
  • Fix graph node compression bugs (deal with Block boundries properly),
  • Update parser for XTrkCAD V12 files
• Start on EquipmentInventory and FCF3

For those seeking to build MS-Windows binaries, there are TclKits available on GitHub: https://github.com/auriocus/kbskit/releases under Assets

Download the complete ChangeLog.

• Source Downloads
• Miscellaneous Downloads
• Linux Downloads
• Model Railroad System related merchandise
• Alternitive Download Links (in case the links on this page don’t work properly):
  • Using the HTTP protocol
  • Using the FTP protocol

Source Downloads

• Source tree on GitHub

  Browse the source or clone a copy

• Complete System Source; compressed tar. Uses the standard set of build utilities: autoconf, automake, libtool, etc. for most systems, building should be just a matter of "./configure && make && make install".
  39.66 MB Download “MRRSystem-2.2.1.tar.gz”
• Complete System Source; zip archive. Uses the standard set of build utilities: autoconf, automake, libtool, etc. for most systems, building should be just a matter of "./configure && make && make install".
  40.38 MB Download “MRRSystem-2.2.1.zip”

Miscellaneous Downloads

• ChangeLog
  157.43 KB Download “ChangeLog”
• MD5 Sums for all of the above
  957.00 B Download “MRR221.md5sums”
• ISO Image (DVD-ROM image), includes Linux binaries (i386, x86_64, armv7l, aarch64), source code, several additional packages, plus installer programs for Linux.
  1.36 GB Download “MRR221.iso”
• General Readme file
  Download “README”
• Library Junction and Bench Station Data files (sample data for the Freight Car Forwarder system) (included on the CD).
  12.75 KB Download “LHandBS.zip”
• Chesapeake System Data files (sample data for the Freight Car Forwarder system) (included on the CD).
  50.66 KB Download “ChesapeakeSystem.zip”

Linux Downloads

I have built the system for various “flavors” of Linux: x86_64 and i386 under Ubuntu 18.04 (VMs), Armv7l on a Raspberry Pi 4 running Raspbian 10, and Aarch64 on a Odroid M1 running Debian 10.

Linux type: 64-bit ARM (aarch64)32-bit ARM (armv7l)32-bit AMD/Intel (i386)64-bit AMD/Intel (x86_64)

Model Railroad System merchandise

And yes, there are things you can spend money on (which helps keep the programming gremlin fed, which means he can spend time making improvements to the system).

Now available Train Shaped USB drives with the current version of the Model Railroad System:
Donate to Model Railroad System software effort:
The 259 page printed and bound User Manual is now available at LuLu.com: (US$6.56):	Buy on Lulu
The 203 page printed and bound Programming Guide is now available at LuLu.com: (US$6.60):	Buy on Lulu
The 28 page printed and bound Application Note 2 is now available at LuLu.com: (US$5.10):	Buy on Lulu