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System Name: gnucobol
Name: GNU Cobol
Group Type: Official GNU software

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This project is part of the GNU Project.

GNU Cobol

GNU Cobol is a free, modern COBOL compiler. GNU Cobol implements a substantial portion of the COBOL 85 and COBOL 2002 standards, as well as many extensions included in other COBOL compilers, and features from the 20xx draft specification.

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

While being held to a high level of quality and robustness, GNU Cobol does not claim to be a “Standard Conforming” implementation of COBOL.

GNU Cobol passes over 9000 of the NIST COBOL 85 test suite tests and over 400 internal checks during build.

GNU Cobol owes many thanks to Roger While and Keisuke Nishida, developing the compiler since 2005.

October 2013

Until the GNU Savannah pages are all properly in place, please see the project space at

Registration Date: Tue 01 Oct 2013 05:18:45 AM UTC
License: GNU General Public License v2 or later
Development Status: 5 - Production/Stable


Latest News 
GNU Cobol 1.1 uploaded to
     posted by btiffin, Sun 19 Jan 2014 09:46:17 AM UTC - 0 replies

After a long development cycle as OpenCOBOL, and recent acceptance as a GNU free software project, with a renaming to GNU Cobol, a release is out. The first ftp source kits are now signed and posted to

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