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need your cobol to be


Cobos is the most advanced open source COBOL IDE dedicated
to Mainframe application development.

Based on Eclipse, it combines the best of both worlds
 by capitalizing on the open source community innovation
 and on the Mainframe best practices.

Discover Cobos features

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A brand new PL1 Editor is born!

COBOS 4.0.0

Metrixware announces the immediate availability of Cobos 4.0.0

In this very first version of the PL1 Editor, you will find features as:
+ Syntax highlighting, including SQL and CICS commands
+ Outline view with all labels refreshed on the fly
+ Content Assist providing templates for PL/1, SQL and CICS control statements

Discover Cobos release notes

Cobos  is the disruptive IDE for COBOL developers.

Modern cobol ide


Mainframe Ready




Eclipse-based COBOL IDE

The COBOL file editor of Cobos brings the best of Eclipse to COBOL programers: a quick and simple browsing into files with the Outline, Syntax coloring, Autocompletion, Open declaration, Compilation error notifications, Code templates, Changes tracking, Versioning... . All these features have been tailor-made for the COBOL development. Cobos adds to these very convenient features some outstanding features such as a "Word like" revision mode, unfolding COBOL sources with COPY REPLACING expansion, customizable tabulations, mainframe-like CAPS ON.

Ready for the Mainframe

Cobos comes with features & components enabling a deep and powerful integration with your mainframe environments, such as z/Navigator, je3270 (terminal emulator, a remote FTP access, extended CVS support...).

Fit with all environments

Big Blue is not your compilation target? Cobos is also packaged for Windows and UNIX operating systems, with additional features such as remote compilation and local program build capabilities, FTP access to UNIX resources...

And many other features...

Cobos provides COBOL developers with many cool features, in order to make COBOL application development more agile and to fit with specific environements: various SCM tool support, FTP remote access, local program build, 3270 terminal emulator, JCL & REXX editors, etc.
Cobos 4.0 is now available !
Cobos 4.0 - the professional COBOL IDE for both Mainframe and Unix environments has been released. Thanks to Cobos, work locally (edit, compile, etc.) on your workstation (Windows and Linux) or connected to your remote environments (Mainframe / Unix).

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