Quercus Systems - Personal REXX for Windows 98/NT/3.1, OS/2 and DOS. REXXLIB extensions, papers, freeware collection and consultants list. KEXX - Dialect used in KEDIT (XEDIT-like editor). Summary by Rex Swain. r4 - Classic Rexx language interpreter for Windows, from Kilowatt Software. Rexx Anywhere - Writing portable Rexx execs. By Dave Alcock. BREXX - Free interpreter for Unix, MSDOS, WinCE and Amiga. By Vassilis N. Vlachoudis. uni-REXX - An ANSI standard implementation for UNIX systems. Free sample code library. S/REXX - UNIX implementation from Benaroya. Graphical debugger available. REXX/VSE - Product page, including support information and samples.