Jostraca is a general purpose code generation toolkit for software developers, using a syntax similar to JSP. Jostraca can be extended to generate code in any language, using any language, while placing no restrictions on software design.
RAPID (REBOL API DocuMentor) provides a way to fetch documentation from REBOL sourcecode and publish into various output formats, like HTML, PDF, make-doc-pro, and others.
RUn (REBOL Unit) is a Unit Test Framework inspired from jUnit.
It provides a way to develop TestCases and submit developped code in REBOL to their verification.