IBM® COBOL provides a complete offering of compatible, cross-platform, cross-product compilers that support z/OS®, VSE/ESA, z/VM®, AIX® and Microsoft® Windows®. IBM gives you the tools you need to amplify your program development and take advantage of your existing applications, enabling you to strategically position your application development efforts for today's rapidly changing marketplace.
Product Editions
COBOL for AIX
Enables the integration of business critical COBOL applications with modern web technology. Optimized to work with key middleware, such as TXSeries and IBM DB2®, on AIX. Oracle and Tuxedo certified.
COBOL for OS/390 & VM
Provides 31-digit decimal data support and TRUNC(BIN) performance enhancements
COBOL for VSE/ESA
Extends COBOL technology in the VSE/ESA environment
Enterprise COBOL for z/OS
Enables the integration of business critical COBOL applications with modern Web technology. Optimized to work with IBM DB2®, CICS® and IMS™ systems to facilitate application integration and modernization.
Development Studio for i
A comprehensive package of Integrated Language Environment RPG, C/C++ and COBOL compilers designed to create modern IBM i applications and ease application maintenance on IBM Power Systems.
Related Product Editions
Developer for Power Systems Software
Provides rich desktop Integrated Development Environments to create, maintain, or port applications to IBM Power Systems™.
Developer for System z
Providing System z developers with tools to make traditional mainframe development and integrated mixed workload faster and more efficient.
Team Concert
A collaborative lifecycle management solution to build better software using a complete lean development environment for teams, which includes agile, formal and hybrid
COBOL Report Writer
Defines and produces all the listings, reports, and displayed summaries that would normally be required from a COBOL application.
z/OS
z/OS is a highly secure, scalable, high-performance enterprise operating system on which to build and deploy Internet and Java-enabled applications, providing a comprehensive and diverse application execution environment

