USB Human Interface Device (HID) Report Descriptor Decoder. This will convert a binary or printable hex report descriptor into a C header file. The printable hex can, for example, be an existing C …

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…

Just Another Macro language for z/OS. JAM is a z/OS productivity tool that transforms an input file, containing a mixture of JAM statements and ordinary text, to an output file containing the trans…

An XML parser written in the REXX programming language. It runs on mainframes (z/OS Rexx) as well as Windows and Linux (Regina or ooRexx).

VSCode syntax highlighter for JAM for z/OS (https://github.com/abend0c1/jam)

SIEG SC4 lathe Display and Keyboard (DSKY) alternative

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.

This converts a CICS Auxiliary Trace print file into an html file that can be viewed with a web browser. Scalable Vector Graphics (SVG) is used to display a UML Sequence Diagram that represents the…

USB dongle that lights up when the capslock light is on

PUB! is a Programmable USB Button on which you can record a sequence of keystrokes (and/or other USB functions) and then play that sequence back when you press it.

VPS Dynamic Separator Page Printer (incorporating a PCL decoder)

IRK! Infrared Remote USB Keyboard