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GnuCOBOL download for Windows

Free download GnuCOBOL Windows app to run online win Wine in Ubuntu online, Fedora online or Debian online

This is the Windows app named GnuCOBOL whose latest release can be downloaded as gnucobol-3.2_win.7z. It can be run online in the free hosting provider OnWorks for workstations.

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GnuCOBOL (formerly OpenCOBOL) is a free, modern COBOL compiler. GnuCOBOL implements a substantial part of the COBOL 85, X/Open COBOL and newer ISO COBOL standards (2002, 2014, 2023), as well as many extensions included in other COBOL compilers (IBM COBOL, MicroFocus COBOL, ACUCOBOL-GT and others).

GnuCOBOL translates COBOL into C and internally compiles the translated code using a native C compiler.
Build COBOL programs on various platforms, including GNU/Linux, Unix, Mac OS X, and Microsoft Windows. GnuCOBOL has also been built on HP/UX, z/OS, SPARC, RS6000, AS/400, along with other combinations of machines and operating systems.

Copyright 2001-2023 Free Software Foundation, Inc.

The cobc compiler is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the FSF; either version 3, or (at your option) any later version.

The libcob run time support source tree is licensed under the GNU LGPL.


  • a nicely complete implementation of COBOL with nearly seamless C integration
  • passing over 9700 of 9748 NIST COBOL 85 test suite tests
  • passing over 3700 tests in nearly 1300 internal test groups
  • dialect support for COBOL85, X/Open COBOL, COBOL2002, COBOL2014, MicroFocus, IBM, MVS, ACUCOBOL-GT, RM/COBOL, BS2000, GCOS (Bull)
  • support for JSON GENERATE and XML GENERATE (XML PARSE pending)
  • almost full support of the COBOL 2023 Compiler Directing Facility feature set
  • EXEC SQL preprocessors available for PostgreSQL, Firebird, ODBC, DB2
  • ASCII, EBCDIC, little endian, big endian. A build published for z/OS OMVS/USS
  • multiple source level debuggers available (GDB frontends or extensions as well as completely separate projects)
  • compiler built with GNU Autotools and GCC, also successfully builds with LLVM clang, VisualStudio or others
  • direct access to almost all C libraries, and even more with the C++ base
  • multiple screen libraries available including Java (AWT/SWING) and GTK+ based
  • code integrating Ada, Guile, Lua, Rexx, Javascript, Python, and others, published
  • CGI capable and desktop ready
  • compiler and runtime messages translated; English, French, Spanish, Portuguese, Serbian, Swedish, Turkish, Dutch, German, more to come



User interface

Web-based, Console/Terminal, Command-line, GTK+, Tk

Programming Language


Database Environment

Berkeley/Sleepycat/Gdbm (DBM), Other file-based DBMS


Software Development, Compilers

This is an application that can also be fetched from https://sourceforge.net/projects/gnucobol/. It has been hosted in OnWorks in order to be run online in an easiest way from one of our free Operative Systems.

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