moshix

UTS

Amdahl UTS from 1973

nje38mvs

NJE Subsystem for MVS

MVSConsoleCommands

Most often used MVS (or z/OS) console commands

AccessAudit

An immutable Linux login access audit system

MVS38j.SYS1.MACLIB

The original, unaltered MACRO library of IBM MVS 3.8j in the public domain

OSVS1

the release 6.0 distribution libraries of IBM's OS/VS1 as assembled by M. Waterbury and K. Leonard

ABENDcodes

most common MVS ABEND codes

assist

ASSIST assembler for MS-DOS

HUJInje

The original Hebrew University of Jerusalem NJE software

rexxc

REXX compiler in BREXX/Regina

ae

Best Utility (vi) - IOCCC 1991 Winner

jet.bas

jet simulation in basic

MVS_BBS

a BBS for MVS 3.8

WangVS

Wang VS emulator

bashpong

pong in bash

ibm-system-360-50-simulator

Simulator of an IBM System/360 Model 50

lpr1403

RAKF_XA

RAKF for MVS/SP, and XA

SPFPVv122

SPF/PC v1.2.2

tk4

using the script extract.sh extracted as much plaintext files. As well as extracted all zip files.

toybox

toybox fork

8086_microcode

Andrew Jenner's various personal projects

badger

Fast key-value DB in Go.

el-3270

Electron-based 3270 Emulator

immudb

immudb - world’s fastest immutable database

immugorm

kg

kg is a very small Emacs clone in Go (golang.org)

orbitSim3D

Sophisticated n-body & space mission simulator. Written in Python, uses OpenGL for rendering.

SimH_cpanel

SimH simulator emulator fork with Control Panels and Visual devices. IBM 650, IBM NORC, IBM 701, IBM 360, SWTPC 6800

wwiv

WWIV BBS Software v5