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Building What’s Next: A Journey Through Mainframe Vitality Training

Building What’s Next: A Journey Through Mainframe Vitality Training

by Nathan Thomas | Feb 3, 2026

I’ve always been a bit obsessed with computers—especially niche hardware. Growing up, I recall my dad having a collection of old systems from companies that no longer existed. They were different from the standard beige DOS and Windows boxes that had taken over, and I...

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What You Read Most in 2025: Top Planet Mainframe Articles & Reader Insights

What You Read Most in 2025: Top Planet Mainframe Articles & Reader Insights

by Penney Berryman | Dec 30, 2025

In 2025, Planet Mainframe celebrated a decade of amplifying the world’s mainframe voices. What began 10 years ago as a part-time blog evolved into a trusted hub for industry news, deep technical insight, and highlighting the people shaping enterprise IT. Fittingly,...

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The Spectrum of Trust: How Mainframers Are Embracing Agentic AI

The Spectrum of Trust: How Mainframers Are Embracing Agentic AI

by Eric Odell | Nov 10, 2025

A few years ago, the idea of letting artificial intelligence (AI) tweak a production mainframe system on its own would’ve made even the most daring system programmer break out in a cold sweat. We would have heard, “Let the machine make the change? Not on my watch.” ...

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The cover for Cheryl Watson's Tuning Letter Issue for 2025 Volume 2

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