Colesoft - Enterprise Mainframe Solutions | Z/XDC, AuthXDC & DumpXDC for z/OS

Meet the XDC Suite

Your Complete Debugging Solution for IBM Z

The XDC suite is the industry's most comprehensive debugging platform for IBM Z environments, trusted by leading ISVs and enterprises worldwide. Our three specialized products work together to give your team complete code visibility across every stage of development and operations.

Interactive source-level debugging for Assembler C/C++, COBOL and more. Debug running programs with full control over execution flow, breakpoints, and data inspection.

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Authorization and security debugging that traces RACF, ACF2, and Top Secret calls in real-time, dramatically redusing the time needed to resolve security-related issues.

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Advanced dump analysis that transforms cryptic system dumps into readable, source-level views, enabling faster problem resolution without distrupting producstion systems.

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The value of a world-class software debugger

Modernize Without Guesswork

You can’t rewrite what you don’t understand. We surface the usage patterns, dead code, and hidden dependencies that determine your future architecture. The result? Successful modernization projects that don’t break the business.

Code with Confidence

We give developers deep, precise, real-time insight into how their applications behave - line by line, moment by moment. No more assumptions. No more black boxes. You see how it executes. You know where to fortify. Your business just got more resilient.

Commit with Quality

Z/XDC doesn’t replace your instincts. It supercharges them - with truth, transparency, and control. Because great businesses deliver innovation. And innovation requires great tools.

Future-proof Your Business

Your mainframe investment is protected with Z/XDC - built to grow stronger with every server generation.

Endorsements

Wondering if Z/XDC will be a good tool for you? Take a look at what these industry leaders are saying about it!

Latest Product News

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New Z/XDC software expansion improves accessibility and integrates into existing workflows while welcoming a new generation of programmers into...

Ready to Debug Smarter?

Join hundreds of organizations who trust the XDC Suite for their mission-critical mainframe development.

Try Z/XDC Free

No-obligation, 30-day full product access trial of Z/XDC. You will be able to install and test Z/XDC, have access to technical support and evaluate whether Z/XDC is a valuable tool for you.

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See Z/XDC In Action

Schedule a personalized demo where you can see your specific use cases in action, ask questions live, and take advantage of convenient 30-minute sessions.

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Get Expert Advice

Connect with one of our solutions consultants to discuss your specific requirements, get detailed pricing information, and learn more about the implementation process of Z/XDC.

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