Open source Linux version of the IBM mainframe z/OS ISPF Dialogue Manager

MVS version of Vasilis Vlachoudis awesome rexx implementation

Mainframe Disassembler in REXX. This can be very handy for mainframe sites that have somehow lost the source code to an important executable. All you need to do is run the DA edit macro against the output from an AMBLIST module listing of the executable. It is an iterative process, but at the end of the day you will have an assembler source file…

Curso básico de COBOL

Testing library for z/OS ISPF applications

z/OS plugins for the Sublime Text editor

zOS Mainframe Utilities utilizing REXX or Python3

Essential ISPF Commands for Programing in Z/OS

ISPF Editor Cheatsheet

ISPF Master Class - DSLISTs, Member Lists, and UDLISTs (Oh My!) Example execs

ISPF Edit Macro Mass Change Facility

PIV is a REXX procedure that you can run in batch to verify that a z/OS system is in the state you expect it to be after making a change.