COBOL.fyi
The industry standard source for COBOL and mainframes
Trending
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
View All
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 AllMainframe shops tap AI for system insights and recommendations
When it comes to AI and the mainframe, customers are moving from experimental to operational approaches and feeling comfortable enough to use AI to provide system insights and recommend actions, a new ...
AI adoption helps sustain confidence in the mainframe
Companies are enlisting agents to help manage the platform amid ongoing modernization, according to BMC’s annual survey.
rhino.ai Launches rhino Agentic Mainframe Modernization on AWS, Giving Enterprises a Complete Blueprint to Modernize Beyond the Mainframe
One trusted, AI-ready model of the business logic that runs across COBOL, Java, .NET, and SaaSWashington, D.C.--(Newsfile Corp. - August 31, 2026) - rhino.ai today launched rhino Agentic Mainframe ...
Mainframe Modernization Market to Reach $16.95 Billion by 2035 as Legacy Systems Shift to Cloud-Native Platforms | Research by SNS Insider
The U.S. Mainframe Modernization Market is Projected to Grow from $1.86 Billion in 2025 to $4.35 Billion by 2035, While Europe is Expected to Expand from $1.92 Billion to $4.20 Billion by 2035.Austin, ...
IBM Brings Arm Inside The Mainframe With A New Dual-Architecture Chip
IBM unveils a dual-architecture mainframe processor that natively runs Arm and Z software, bringing Arm’s ecosystem into IBM’s enterprise platforms.




