Clones of the popular XEDIT editor are available for Unix from the Workstation Group and for DOS, Windows 3.1, Windows NT, Windows 95, and OS/2 from Mansfield Software (KEDIT). Tritus sells an ISPF/PDF text editor with REXX support for OS/2. One Up sells SourceLink, an integrated development environment for OS/2 with REXX macro capabilities. Command Technology sells the SPF/PC editor.

The OS/2 Enhanced Editor (EPM.EXE), which is bundled with OS/2, also has REXX support. Use its online help and search for the 'rx' command.