Isle of the Kakapo releases RailModeller Pro 5.4, a comprehensive update to their popular model railroad and slot car layout design solution for macOS. RailModeller Pro offers sophisticated design tools that enable hobbyists to easily design model train and slot car track layouts via drag & drop. The app includes a library catalog covering over 200 track systems in all major model scales as well as scalable accessories, allowing for custom designs of any layout a user can visualize. RailModeller Pro 5.4 is $39.99 and can be downloaded from Mac App Store.
RailModeller Pro for macOS - Localized, multi-color and scalable libraries