NetRexx Programming Language 4.04 is available for download (2022/09/12):
URL: http://www.netrexx.org/index.nsp
or
http://www.netrexx.org/files/NetRexx-4.04-GA.zip
"NetRexx is a programming language derived from both Rexx and Java. It is a dialect of Rexx that retains the portability and efficiency of Java, while being as easy to learn and to use as Rexx."
Released under the ICU License.
Source: eCSoft/2