If the 50-track limit is a dealbreaker and you don't want to pay, several community-driven alternatives offer full functionality for free:
Using longer flex-track pieces instead of multiple short sectional tracks. Anyrail License Key Free BEST
If the AnyRail trial is too restrictive for your project, consider these free or low-cost model railroad planning alternatives: SCARM (Simple Computer Aided Railway Modeler): Very popular and intuitive. The free version allows up to 100 objects , which is more generous than AnyRail's trial. XTrackCAD: If the 50-track limit is a dealbreaker and
Are you using a (like Peco, Kato, or Bachmann)? Is your goal a simple loop or a complex multi-level design ? XTrackCAD: Are you using a (like Peco, Kato, or Bachmann)
A free, open-source CAD program specifically designed for model railroad layouts. It has a steeper learning curve than AnyRail but offers unlimited pieces and supports Windows, Mac, and Linux.