Compiler for MFM programming language
This code base, and its associated programs, examples, and documentation---collectively described as the "ulam compiler"---is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
The github Ulam Wiki has reference information and tutorials, and the ulam-users mailing list is available for ULAM-related announcements, general discussion, and community support.