The Rexx Language:IBM's official Rexx site. With news, background, books, tutorials, documentation and extensive links.
bsf4rexx: Package for interaction between Rexx and Java using Bean Scripting Framework. Developed by Rony G. Flatscher.
IBM REXX Family: Overview of IBM Rexx products and related information.
Jeff Glatt's REXX Page: Developer tutorial, articles, examples, Reginald interpreter, text editor, function libraries and discussion forum.
ONLamp.com: Rexx: Power Through Simplicity: Article by Howard Fosdick shows off several features of the Rexx programming language.
Pigdog Journal: Laughable Technology: Yay for REXX! Column in a satirical online magazine.
Quercus Systems: Personal REXX for Windows 98/NT/3.1, OS/2 and DOS. REXXLIB extensions, papers, freeware collection and consultants list.
REXX: Growing article, with links to many related topics. [Wikipedia]
RexxInfo.org: Companion site to book about the language, with an annoated link collection.
RexxLA: The Rexx Language Association. With symposion information, ANSI standard and large link collection. Archives available to members only.
RexxTags: Rexx Server Pages compiler for rapid prototyping of XML tags in Rexx. Requires Apache and Mod_Rexx. [Open surce, Common Public License]
ToUniteAmerica: The REXX Files: Mainframe programs examples, articles and links. By Gabriel F. Gargiulo, author of Rexx books.
Writing CGI Scripts in REXX: Article from Web Techniques magazine.