This article is from the FAQ, by with numerous contributions by others.
The BETA language definition is in the public domain. A reference manual on
the language is in progress (release-date not fixed yet).
The Personal Edition versions of the system is freely available from Mjolner
Informatics. Visit the download area for more information.
Kai Petzke has initiated a project for writing a freeware compiler for BETA.
It is implemented as a translator of BETA to C. For more information and to
download a working copy of the compiler, that understands most of BETA's
grammatical terms, see the web page: