Rexx study generally begins with

CL keeps a few pointers [L1 ]. Howard Fosdick nicely profiled [L2 ] its significance in the world of open source as of mid-2005, in light of IBM's release [L3 ] of Object Rexx.

Howard Fosdick profile is now at

A Tk binding for Rexx can be found at: There have been others ...; this might be the most lively, as of 2004.