z/OS COBOL program development and testing ( using zOS JCL )
January 10, 2026 version - WINZOS 7.5
* Supporting dB2 (Community Version) plus a basic CICS emulation
* Install files are scanned by Windows Defender and Malwarebytes
* Implements significant WINIDE improvements
* Fixed RECFM=VB DSORG=PS support
* XML GENERATE is functional - occurs in COBOL source corrupts​
*
After download rename WINZOS75.CSV to WINZOS75.EXE
The install starts with clicking on WINZOS75.EXE in your folder
WinCOBOL is the website for WINZOS and WINIDE
WINIDE is for general COBOL programming - No zOS features
WINZOS / WINIDE are Free To Use Software NO LICENSE FEES
WINZOS is a zOS/ISPF simulation - a zOS like IDE for developers
Edit with an ISPF editor
Compile zOS Enterprise COBOL using GnuCOBOL
Test with JCL use a kinetic debugger akin to Xpediter (an animator)
Primarily for use by those familiar with IBM mainframe COBOL
Included are the following:
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zOS IBM mainframe look and feel
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An IDE to compile, an ISPF editor, a break point dialog
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Command Technology SPF/Pro Editor
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GnuCOBOL a free open source COBOL compiler and RTS
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An animator (Xpediter like) for debugging applications
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Videos depicting the use of WINZOS
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EBCDIC files (not source) supported - Translation NOT required
Limitations:
Procedure division copybooks not implemented (in animation)
This is a Windows 7 /10 /11 product - Linux is not supported
Directories with embedded spaces are not supported
Free format COBOL syntax is not supported
Not to be used as a production facility​​​​
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Copyright 2020 - 2025 WinCOBOL
Portions of WINZOS are from the open source GnuCOBOL Project
www.gnu.org/software/gnucobol. GCSORT is an open source project.
Expert assistance provided by Chuck Haatvedt and Simon Sobisch