COBOL.fyi
The industry standard source for COBOL and mainframes
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Why 95% of ATM Transactions in the US Still Run on COBOL
IBM vs Claude Code: COBOL Modernization
How to Prioritize Which COBOL Components to Modernize First
Hidden risks of COBOL migration: Implicit dependencies and shared state
What AI Can (and Can't) Do in a COBOL Modernization Project
How to Build a Strangler Fig Pattern Around a COBOL Batch Job
Originals
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Why 95% of ATM Transactions in the US Still Run on COBOL
IBM vs Claude Code: COBOL Modernization
How to Prioritize Which COBOL Components to Modernize First
Hidden risks of COBOL migration: Implicit dependencies and shared state
What AI Can (and Can't) Do in a COBOL Modernization Project
How to Build a Strangler Fig Pattern Around a COBOL Batch Job
How to Write Unit Tests for COBOL Programs That Have Never Had Any
How to Identify and Isolate Shared State Before Touching a COBOL Module
Industry News
View AllAI-powered mainframe exits are a bubble set to pop: Gartner
Most mainframe users who turn to AI for help migrating legacy code to alternative platforms are going to be very disappointed, according to analyst firm Gartner. “More than 70 percent of mainframe ...
CloudFrame Named Rising Star in ISG's 2026 Mainframe Services Research - Recognized for Deterministic Transformation at Enterprise Scale
ISG cites deterministic transformation technology, enterprise momentum in financial services and healthcare, and expanding systems integrator alliances. PRINCETON, N.J., April 14, 2026 /PRNewswire/ -- ...
U.S. Public Sector Applies AI to Mainframe Modernization
Organizations in the U.S. public sector are adopting AI-enabled solutions to modernize and sustain mainframe environments, according to a new research report published today by Information Services ...
U.S. Public Sector Applies AI to Mainframe Modernization
An ISG Provider Lens® report says AI is helping U.S. public sector agencies modernize mainframe environments, reduce costs and improve efficiency.
Enterprises Seek Structured, Low-risk Mainframe Modernization Plans
Enterprises are adopting long-term, software-led modernization of mainframe environments to improve adaptability while remaining resilient, ISG says.