LEO
- REXX-related downloads.
- ftp://crydee.sai.msu.ru/pub/comp/os/os2/leo/rexx/

Perl OS2::REXX
- Access to DLLs with REXX calling convention and REXX runtime.
- http://search.cpan.org/~lbrocard/perl5.005_04/os2/OS2/REXX/REXX.pm

Netlabs.org: Rexx/OS
- Intended as a new incarnation of OS/2, being completely realized using the REXX scripting language.
- http://rexxos.netlabs.org/

OS/2 REXX: From Bark to Byte
- IBM Redbook describing OS/2 REXX and interfaces.
- http://publib-b.boulder.ibm.com/Redbooks.nsf/RedbookAbstracts/gg244199.html?Open

REXX Tips & Tricks
- About Rexx programming, mostly under OS/2. Converted from INF to HTML as of september 1998.
- http://www.markcrocker.com/rexxtipsntricks/rxtt28.1.toc.html

SCOUG
- Search results: Rexx. Lots of articles.
- http://www.scoug.com/cgi-bin/DocSearch.cmd?SEARCHSTR=rexx&DataBase=Scoug

EDM/2 Magazine
- Meta index, Rexx articles.
- http://www.edm2.com/common/metaindex.html#Rexx

LogiSoft AR
- RexxBOS, OS/2 Rexx library providing complete system interface.
- http://www.logisoftar.com/ProductsRexxbos.htm

SRE-http
- Web server written primarily in Rexx. Also several Rexx utilities related to directories, GIF, TrueType, MD5/MD4/SHA-1, rsync, GZIP, Blowfish, GDIFF and other.
- http://www.srehttp.org/

Fernwood
- OS/2 shareware repository, REXX section.
- http://cerealport.homeip.net/cereal/fwrexx/filesbbs.html

OS/2 Shareware BBS
- REXX downloads.
- http://www.os2bbs.com/Download/rexx.html