Quercus Systems offered Personal REXX, and other REXX-related applications and products, such as the REXXTERM asynchronous communications package and the REXXLIB extension package for OS/2 REXX.
- Personal REXX - implementation of REXX for OS/2, Windows (3.x, 95, NT), and DOS
- REXXLIB - REXX extension functions
- REXXTERM - communication program for OS/2 and DOS
- Website (archived version from 1999)