The GNU Public License allows a user to use Open Rails in any way, except that you may not distribute software containing part of Open Rails without respecting the license terms.
Open Rails is intended for entertainment purposes only and, to avoid liability, is not suitable for professional applications.
Code contributions to our repository must be in Microsoft's C# language. An authorised developer may not change content in the official version of Open Rails without approval from another authorised developer.
Open Rails will continue to maintain compatibility with content from previous official versions of Open Rails.
Existing types of content from previous official versions of Open Rails will continue to be loaded without change.
English documents and text use American spelling (license, color etc.).
New key assignments should obey the following rules where that is possible.