The development team of CafeOBJ tries to help in case you have problems.
Issues and bug tracker
For any kind of bug, request, comment, please use the Github Issue tracker. Contact via firstname.lastname@example.org is also possible.
Please consult the various documentation pages, the in-program help (type ? at the command prompt), and the reference manual (HTML).
The first contact point for questions and requests is the mailing list email@example.com. Posts in English or Japanese are fine, other language might not see an answer