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21CS Insights

Driving the Future of Mainframe Innovation

Exploring the trends, challenges, and solutions shaping enterprise IT.

  • Featured Article

    A First Look at OPTIMAn's New Reporting Interface

    Introducing the New Reporting Interface If you've been following recent news from 21CS, you already know we released OPTIMAn, our premier performance, capacity, and cost tool. What you haven't seen...

    Real Time Performance & Cost Control

    August 6, 2026

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  • 21CS Releases SENTINELn

    21CS  Launches  SENTINELn: See Every Change. Control Every Outcome.

    z/OS Change Management

    January 23, 2026

Discover Your STRATUSn Savings

Learn how STRATUSn saves on storage, simplifies your systems, and prepares your mainframe for the next generation.

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