ToUniteAmerica: The REXX Files
- Mainframe programs examples, articles and links. By Gabriel F. Gargiulo, author of Rexx books.
- http://www.theamericanprogrammer.com/programming/rexxfiles.shtml

RexxTags
- Rexx Server Pages compiler for rapid prototyping of XML tags in Rexx. Requires Apache and Mod_Rexx. [Open surce, Common Public License]
- http://www.rexxtags.org/

RexxInfo.org
- Companion site to book about the language, with an annoated link collection.
- http://www.rexxinfo.org/

ONLamp.com: Rexx: Power Through Simplicity
- Article by Howard Fosdick shows off several features of the Rexx programming language.
- http://www.onlamp.com/pub/a/onlamp/2005/05/26/rexx.html

bsf4rexx
- Package for interaction between Rexx and Java using Bean Scripting Framework. Developed by Rony G. Flatscher.
- http://wi.wu-wien.ac.at/rgf/rexx/bsf4rexx/

REXX
- Growing article, with links to many related topics. [Wikipedia]
- http://en.wikipedia.org/wiki/REXX

Writing CGI Scripts in REXX
- Article from Web Techniques magazine.
- http://www.webtechniques.com/archives/1996/05/rexx/

Quercus Systems
- Personal REXX for Windows 98/NT/3.1, OS/2 and DOS. REXXLIB extensions, papers, freeware collection and consultants list.
- http://www.quercus-sys.com/

Pigdog Journal: Laughable Technology
- Yay for REXX! Column in a satirical online magazine.
- http://www.pigdog.org/auto/laughable_technology/link/955.html

Jeff Glatt's REXX Page
- Developer tutorial, articles, examples, Reginald interpreter, text editor, function libraries and discussion forum.
- http://www.borg.com/~jglatt/rexx/rexx.htm

RexxLA
- The Rexx Language Association. With symposion information, ANSI standard and large link collection. Archives available to members only.
- http://www.rexxla.org/