An open source System/370, ESA/390, and z/Architecture emulator for Linux, MacOS, and Windows.

Installation, software, and programming guide.

A volunteer effort by many authors to create a Documentation for the Hercules emulator, coordinated by Cory Hamasaki, divided into Primary, Non-Install and Advanced topics.

Documentation for the Hercules and MVS 3.8 environment on a PC.

A presentation at SHARE 97 by Jay Maynard of Global MAINTECH Corp. Looks in detail at OS/360, VM/370 and MVS Version 3.8. [PDF]

Discussion group for users of the Hercules ESA/390 mainframe emulator

Introduction and links about the Intel-based Hercules mainframe emulator, as well as an MVT tutorial and MVS 3.8 binaries and add-ons.