REBOL 2.1.2.3.1; 126 KB; Download. Entnommen bei Universität Erlangen

REBOL/core is a command-line interpreter for the execution of REBOL Internet Messaging language scripts. It's available for 35+ different platforms and is extremely small and simple to setup.

REBOL/Core 2.0; Download. Entnommen bei Zip.to/Freeware.  

Easy-to-use, easy-to-learn and easy-to-read, platform and OS independent computer language for networking and Internet.