Rexx/CURL is a Rexx extension to enable Rexx programmers to control the cURL interface.
Rexx/DW is an external function package for Rexx programmers providing a cross platform GUI toolset. The underlying GUI package is Dynamic Windows.
Rexx/EEC is a Rexx external function package providing support for the Encryption, Encoding and Compression of data. Equivalent functions exist for Decryption, Decoding and Decompression.
Bean Scripting Framework Rexx Engine (bsf4rexx) allows Java programs to call Rexx programs, and for Rexx programs to create and manipulate Java objects. The package will allow to script OpenOffice.org: http://wi.wu-wien.ac.at/rgf/rexx/bsf4rexx/current/
The open sourced NetRexx reference implementation
NetRexx is a dialect of the REXX programming language to run on the Java virtual machine. It supports a classic REXX syntax, with no reserved keywords, along with considerable additions to support object-oriented programming in a manner compatible with Java's object model, yet can be used as both a compiled and an interpreted language, with an option of using only data types native to the JVM or the NetRexx runtime package. Originally from IBM, NetRexx is the creation of Mike Cowlishaw, the 'Father of Rexx'. This IBM product has been open sourced in 2011.
This project aims at porting IBM's Object Rexx Back to OS/2, based on based on the work of http://www.oorexx.org/, Open Object Rexx, (ooRexx). The main aim here is to work on the possibilities of such a port, make files as well as specific OS/2 coding.
RxWav is a REXX external function package that allow access to RIFF wave file with various function. This library allow to create and manipulate audio file within REXX scripts
open source analogue of IBM OS/2 operating system
the disruptive IDE for COBOL developers
The Cobos Project is an Open Source initiative from Metrixware, dedicated to Mainframe COBOL CICS, DB2, IMS developments within the Eclipse Platform.