Free mainframe emulators

Free mainframe emulators

The following is a list of free mainframe emulators available in the market. Keep visiting the page for latest and updated information.

Freefloat Access One (Free mainframe emulator)

This Free mainframe emulator is provided by The latest version provides powerful standard scripting language Lua Script. This will work on windows XP/2000/Vista, the program will take only 3 MB for its installation. This free emulator will support VT52, VT100, VT220, TN3270  and

TN5250. This supports multiple sessions to same or different servers. For more details you may visit the homepage.

You may download it from here. The program comes with a very descriptive manual

Crypto Term (Free mainframe emulator for home use)

This free emulator is provided by This will variety of emulations which are ANSI, SCOANSI, VT100, VT220, VT220-8, VT320, VT320-8, WYSE60 (WYSE60 COLOR), LINUX, XTERM, HP, TN3270 (3278-2, 3278-3, 3278-4, 3278-5, printer 3287-1). It provides safe secure connections through SSH, SSL and TLS protocol. This works well on the following environments Win 7, Win XP, Win 2003, Win 2000, Win NT, Win Me, Win 98, Win 95.

You may download it from here. You may want to go through the licensing information here. This software is free for home use only. A list of FAQ is available here.

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PASSPORT Host Integration Objects

This free mainframe emulator lets you connect to TN3270, TN5250. You can download it from here. This is designed for Microsoft windows environment. It comes with diagnostic tracing capabilities.

“FreeHost3270” free mainframe emulator

FreeHos3270 is an OS independent emulator written in interpreted language. It provides single point deployment of legacy 3270 applications. It provides a Java based applet emulator or a stand along emulator with rich GUI. The product is licensed under GNU Library or Lesser General Public License (LGPL).

You can download it from here.

Disclaimer:- There is no warranty whatsoever on the use of above programs. The information is provided here to facilitate users and the users may use these on their own risks. Just listing these programs here does not mean that I endorse or approve these programs. The standard disclaimers also apply.