Hobbes
OS/2 shareware and freeware archive.
IBM Redbooks
Search results for "object rexx". Free registration required to read books.
Object REXX
Product page from IBM. With news, library, downloads and support.
Open Object Rexx (ooRexx)
An Open Source project managed by Rexx Language Association (RexxLA) providing a free implementation of Object Rexx.
Pragmatic Lee
Samples including the use of Windows OLE/ActiveX controls within Object Rexx.
roo!
Object-Oriented Rexx language interpreter for Windows environments.
Web-O-Matic/Rexx
Paper on building web applications by compiling enriched HTML to Object Rexx.
Yahoo Groups: GuiObjectRexx
Maillist archive of discussion group for programming in OS/2 with GUI support.